12-Letter Words Ending With ION
Here's the list of all the 685 12-Letter Words Ending With ION in the English Language.
The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.
Common Words (with Definitions and Examples) | |
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construction | 1. the act of constructing something 2. a group of words that form a constituent of a sentence and are considered as a single unit More Definitions → |
organization | 1. a group of people who work together 2. an organized structure for arranging or classifying More Definitions → |
registration | 1. the act of enrolling 2. the body of people (such as students) who register or enroll at the same time More Definitions → |
distribution | 1. (statistics) an arrangement of values of a variable showing their observed or theoretical frequency of occurrence 2. the spatial or geographic property of being scattered about over a range, area, or volume More Definitions → |
introduction | 1. the act of beginning something new 2. the first section of a communication More Definitions → |
installation | 1. the act of installing something (as equipment) 2. a building or place that provides a particular service or is used for a particular industry More Definitions → |
presentation | 1. the activity of formally presenting something (as a prize or reward) 2. a show or display; the act of presenting something to sight or view More Definitions → |
subscription | 1. a payment for consecutive issues of a newspaper or magazine for a given period of time 2. agreement expressed by (or as if expressed by) signing your name More Definitions → |
prescription | 1. directions prescribed beforehand; the action of prescribing authoritative rules or directions 2. a drug that is available only with written instructions from a doctor or dentist to a pharmacist More Definitions → |
conservation | 1. an occurrence of improvement by virtue of preventing loss or injury or other change 2. the preservation and careful management of the environment and of natural resources More Definitions → |
compensation | 1. something (such as money) given or received as payment or reparation (as for a service or loss or injury) 2. (psychiatry) a defense mechanism that conceals your undesirable shortcomings by exaggerating desirable behaviors More Definitions → |
transmission | 1. the act of sending a message; causing a message to be transmitted 2. communication by means of transmitted signals More Definitions → |
organisation | 1. the persons (or committees or departments etc.) who make up a body for the purpose of administering something 2. a group of people who work together More Definitions → |
contribution | 1. the effort contributed by a person in bringing about a result 2. a voluntary gift (as of money or service or ideas) made to some worthwhile cause More Definitions → |
constitution | 1. law determining the fundamental political principles of a government 2. the act of forming or establishing something More Definitions → |
consultation | 1. a conference (usually with someone important) 2. a conference between two or more people to consider a particular question More Definitions → |
satisfaction | 1. the contentment one feels when one has fulfilled a desire, need, or expectation 2. state of being gratified or satisfied More Definitions → |
notification | 1. an accusation of crime made by a grand jury on its own initiative 2. informing by words More Definitions → |
optimization | 1. the act of rendering optimal More Definitions → |
conversation | 1. the use of speech for informal exchange of views or ideas or information etc. More Definitions → |
reproduction | 1. the process of generating offspring 2. recall that is hypothesized to work by storing the original stimulus input and reproducing it during recall More Definitions → |
jurisdiction | 1. (law) the right and power to interpret and apply the law 2. in law; the territory within which power can be exercised More Definitions → |
confirmation | 1. additional proof that something that was believed (some fact or hypothesis or theory) is correct 2. information that confirms or verifies More Definitions → |
intervention | 1. the act of intervening (as to mediate a dispute, etc.) 2. a policy of intervening in the affairs of other countries More Definitions → |
modification | 1. the act of making something different (as e.g. the size of a garment) 2. slightly modified copy; not an exact copy More Definitions → |
verification | 1. additional proof that something that was believed (some fact or hypothesis or theory) is correct 2. (law) an affidavit attached to a statement confirming the truth of that statement More Definitions → |
coordination | 1. the skillful and effective interaction of movements 2. the regulation of diverse elements into an integrated and harmonious operation More Definitions → |
preservation | 1. the activity of protecting something from loss or danger 2. the condition of being (well or ill) preserved More Definitions → |
illustration | 1. artwork that helps make something clear or attractive 2. showing by example More Definitions → |
cancellation | 1. the act of cancelling; calling off some arrangement 2. the speech act of revoking or annulling or making void More Definitions → |
appreciation | 1. understanding of the nature or meaning or quality or magnitude of something 2. delicate discrimination (especially of esthetic values) More Definitions → |
intersection | 1. a point where lines intersect 2. a junction where one street or road crosses another More Definitions → |
civilization | 1. a society in an advanced state of social development (e.g., with complex legal and political and religious organizations) 2. the social process whereby societies achieve an advanced stage of development and organization More Definitions → |
manipulation | 1. exerting shrewd or devious influence especially for one's own advantage 2. the action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means More Definitions → |
continuation | 1. the act of continuing an activity without interruption 2. a part added to a book or play that continues and extends it More Definitions → |
dissertation | 1. a treatise advancing a new point of view resulting from research; usually a requirement for an advanced academic degree More Definitions → |
hypertension | 1. a common disorder in which blood pressure remains abnormally high (a reading of 140/90 mm Hg or greater) More Definitions → |
acceleration | 1. an increase in rate of change 2. the act of accelerating; increasing the speed More Definitions → |
substitution | 1. an event in which one thing is substituted for another 2. the act of putting one thing or person in the place of another: More Definitions → |
accumulation | 1. an increase by natural growth or addition 2. several things grouped together or considered as a whole More Definitions → |
exploitation | 1. the act of making some area of land or water more profitable or productive or useful 2. an act that exploits or victimizes someone (treats them unfairly) More Definitions → |
depreciation | 1. a decrease in price or value 2. decrease in value of an asset due to obsolescence or use More Definitions → |
purification | 1. the act of cleaning by getting rid of impurities 2. the process of removing impurities (as from oil or metals or sugar etc.) More Definitions → |
congregation | 1. a group of people who adhere to a common faith and habitually attend a given church 2. an assemblage of people or animals or things collected together More Definitions → |
regeneration | 1. (biology) growth anew of lost tissue or destroyed parts or organs 2. feedback in phase with (augmenting) the input More Definitions → |
solicitation | 1. an entreaty addressed to someone of superior status 2. request for a sum of money More Definitions → |
localization | 1. a determination of the place where something is 2. (physiology) the principle that specific functions have relatively circumscribed locations in some particular part or organ of the body More Definitions → |
resurrection | 1. a revival from inactivity and disuse More Definitions → |
inflammation | 1. a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat 2. the state of being emotionally aroused and worked up More Definitions → |
augmentation | 1. the amount by which something becomes greater 2. the statement of a theme in notes of greater duration (usually twice the length of the original) More Definitions → |
amortization | 1. the reduction of the value of an asset by prorating its cost over a period of years 2. payment of an obligation in a series of installments or transfers More Definitions → |
immunization | 1. the act of making immune (especially by inoculation) More Definitions → |
remuneration | 1. something that remunerates 2. the act of paying for goods or services or to recompense for losses More Definitions → |
segmentation | 1. (embryology) the repeated division of a fertilised ovum 2. the act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart More Definitions → |
illumination | 1. a condition of spiritual awareness; divine illumination 2. the degree of visibility of your environment More Definitions → |
anticipation | 1. an expectation 2. something expected (as on the basis of a norm) More Definitions → |
optimisation | 1. the act of rendering optimal More Definitions → |
interruption | 1. an act of delaying or interrupting the continuity 2. some abrupt occurrence that interrupts an ongoing activity More Definitions → |
prostitution | 1. offering sexual intercourse for pay More Definitions → |
polarization | 1. the phenomenon in which waves of light or other radiation are restricted in direction of vibration 2. the condition of having or giving polarity More Definitions → |
abbreviation | 1. a shortened form of a word or phrase 2. shortening something by omitting parts of it More Definitions → |
facilitation | 1. the condition of being made easy (or easier) 2. (neurophysiology) phenomenon that occurs when two or more neural impulses that alone are not enough to trigger a response in a neuron combine to trigger an action potential More Definitions → |
ratification | 1. making something valid by formally ratifying or confirming it More Definitions → |
mobilization | 1. act of assembling and putting into readiness for war or other emergency: 2. act of marshaling and organizing and making ready for use or action More Definitions → |
proclamation | 1. a formal public statement 2. the formal act of proclaiming; giving public notice More Definitions → |
denomination | 1. a group of religious congregations having its own organization and a distinctive faith 2. a class of one kind of unit in a system of numbers or measures or weights or money More Definitions → |
infiltration | 1. a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection) 2. the slow passage of a liquid through a filtering medium More Definitions → |
articulation | 1. the aspect of pronunciation that involves bringing articulatory organs together so as to shape the sounds of speech 2. the shape or manner in which things come together and a connection is made More Definitions → |
condemnation | 1. an expression of strong disapproval; pronouncing as wrong or morally culpable 2. (law) the act of condemning (as land forfeited for public use) or judging to be unfit for use (as a food product or an unsafe building) More Definitions → |
constipation | 1. irregular and infrequent or difficult evacuation of the bowels; can be a symptom of intestinal obstruction or diverticulitis 2. the act of making something futile and useless (as by routine) More Definitions → |
degeneration | 1. the process of declining from a higher to a lower level of effective power or vitality or essential quality 2. the state of being degenerate in mental or moral qualities More Definitions → |
deregulation | 1. the act of freeing from regulation (especially from governmental regulations) More Definitions → |
transduction | 1. (genetics) the process of transferring genetic material from one cell to another by a plasmid or bacteriophage 2. the process whereby a transducer accepts energy in one form and gives back related energy in a different form More Definitions → |
assimilation | 1. the state of being assimilated; people of different backgrounds come to see themselves as part of a larger national family 2. the social process of absorbing one cultural group into harmony with another More Definitions → |
conformation | 1. a symmetrical arrangement of the parts of a thing 2. any spatial attributes (especially as defined by outline) More Definitions → |
intimidation | 1. the act of intimidating a weaker person to make them do something 2. the feeling of discouragement in the face of someone's superior fame or wealth or status etc. More Definitions → |
interception | 1. the act of intercepting; preventing something from proceeding or arriving 2. (American football) the act of catching a football by a player on the opposing team More Definitions → |
adjudication | 1. the final judgment in a legal proceeding; the act of pronouncing judgment based on the evidence presented More Definitions → |
condensation | 1. (psychoanalysis) an unconscious process whereby two ideas or images combine into a single symbol; especially in dreams 2. the process of changing from a gaseous to a liquid or solid state More Definitions → |
fermentation | 1. a state of agitation or turbulent change or development 2. a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol More Definitions → |
complication | 1. the act or process of complicating 2. a situation or condition that is complex or confused More Definitions → |
perturbation | 1. an unhappy and worried mental state 2. (physics) a secondary influence on a system that causes it to deviate slightly More Definitions → |
inauguration | 1. the act of starting a new operation or practice 2. the ceremonial induction into a position More Definitions → |
malnutrition | 1. a state of poor nutrition; can result from insufficient or excessive or unbalanced diet or from inability to absorb foods More Definitions → |
circumcision | 1. the act of circumcising performed on males eight days after birth as a Jewish and Muslim religious rite 2. the act of circumcising; surgical removal of the foreskin of males More Definitions → |
feminization | 1. the process of becoming feminized; the development of female characteristics (loss of facial hair or breast enlargement) in a male because of hormonal disorders or castration More Definitions → |
colonization | 1. the act of colonizing; the establishment of colonies More Definitions → |
implantation | 1. (embryology) the organic process whereby a fertilized egg becomes implanted in the lining of the uterus of placental mammals 2. the act of planting or setting in the ground More Definitions → |
equalization | 1. the act of making equal or uniform More Definitions → |
emancipation | 1. freeing someone from the control of another; especially a parent's relinquishing authority and control over a minor child More Definitions → |
minimization | 1. the act of reducing something to the least possible amount or degree or position More Definitions → |
superstition | 1. an irrational belief arising from ignorance or fear More Definitions → |
recollection | 1. the ability to recall past occurrences 2. the process of remembering (especially the process of recovering information by mental effort) More Definitions → |
civilisation | 1. the social process whereby societies achieve an advanced stage of development and organization 2. a particular society at a particular time and place More Definitions → |
repatriation | 1. the act of returning to the country of origin More Definitions → |
dissociation | 1. the act of removing from association 2. a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently More Definitions → |
apprehension | 1. fearful expectation or anticipation 2. the cognitive condition of someone who understands More Definitions → |
deliberation | 1. (usually plural) discussion of all sides of a question 2. careful consideration More Definitions → |
annihilation | 1. destruction by annihilating something 2. total destruction More Definitions → |
distillation | 1. the process of purifying a liquid by boiling it and condensing its vapors 2. a purified liquid produced by condensation from a vapor during distilling; the product of distilling More Definitions → |
disinfection | 1. treatment to destroy harmful microorganisms More Definitions → |
rejuvenation | 1. the phenomenon of vitality and freshness being restored 2. the act of restoring to a more youthful condition More Definitions → |
inactivation | 1. the process of rendering inactive 2. breaking up a military unit (by transfers or discharges) More Definitions → |
conciliation | 1. the state of manifesting goodwill and cooperation after being reconciled 2. any of various forms of mediation whereby disputes may be settled short of arbitration More Definitions → |
intoxication | 1. the physiological state produced by a poison or other toxic substance 2. a temporary state resulting from excessive consumption of alcohol More Definitions → |
quantization | 1. the act of dividing into quanta or expressing in terms of quantum theory More Definitions → |
intermission | 1. the act of suspending activity temporarily 2. a time interval during which there is a temporary cessation of something More Definitions → |
urbanization | 1. the condition of being urbanized 2. the social process whereby cities grow and societies become more urban More Definitions → |
localisation | 1. (physiology) the principle that specific functions have relatively circumscribed locations in some particular part or organ of the body 2. a determination of the place where something is More Definitions → |
incineration | 1. the act of burning something completely; reducing it to ashes More Definitions → |
fibrillation | 1. muscular twitching involving individual muscle fibers acting without coordination 2. act or process of forming fibrils More Definitions → |
menstruation | 1. the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause More Definitions → |
exaggeration | 1. extravagant exaggeration 2. the act of making something more noticeable than usual More Definitions → |
precondition | 1. an assumption on which rests the validity or effect of something else 2. an assumption that is taken for granted More Definitions → |
amalgamation | 1. the combination of two or more commercial companies More Definitions → |
immunisation | 1. the act of making immune (especially by inoculation) More Definitions → |
insurrection | 1. organized opposition to authority; a conflict in which one faction tries to wrest control from another More Definitions → |
redefinition | 1. the act of giving a new definition More Definitions → |
digitization | 1. conversion of analog information into digital information More Definitions → |
legalization | 1. the act of making lawful More Definitions → |
commendation | 1. an official award (as for bravery or service) usually given as formal public statement 2. a message expressing a favorable opinion More Definitions → |
reallocation | 1. a share that has been allocated again 2. a new apportionment (especially a new apportionment of congressional seats in the United States on the basis of census results) More Definitions → |
confiscation | 1. seizure by the government More Definitions → |
amortisation | 1. the reduction of the value of an asset by prorating its cost over a period of years 2. payment of an obligation in a series of installments or transfers More Definitions → |
maximization | 1. the mathematical process of finding the maximum value of a function 2. the act of raising to the highest possible point or condition or position More Definitions → |
promulgation | 1. a public statement containing information about an event that has happened or is going to happen 2. the official announcement of a new law or ordinance whereby the law or ordinance is put into effect More Definitions → |
desalination | 1. the removal of salt (especially from sea water) More Definitions → |
mobilisation | 1. act of marshaling and organizing and making ready for use or action 2. act of assembling and putting into readiness for war or other emergency: More Definitions → |
dispensation | 1. an exemption from some rule or obligation 2. a share that has been dispensed or distributed More Definitions → |
perspiration | 1. salty fluid secreted by sweat glands 2. the process of the sweat glands of the skin secreting a salty fluid More Definitions → |
insemination | 1. the act of sowing (of seeds in the ground or, figuratively, of germs in the body or ideas in the mind, etc.) 2. the introduction of semen into the genital tract of a female More Definitions → |
gasification | 1. the process of changing into gas More Definitions → |
deceleration | 1. a decrease in rate of change 2. (physics) a rate of decrease in velocity More Definitions → |
intercession | 1. a prayer to God on behalf of another person 2. the act of intervening (as to mediate a dispute, etc.) More Definitions → |
consecration | 1. a solemn commitment of your life or your time to some cherished purpose (to a service or a goal) 2. (religion) sanctification of something by setting it apart (usually with religious rites) as dedicated to God More Definitions → |
consummation | 1. the completion of marriage by sexual intercourse 2. the act of bringing to completion or fruition More Definitions → |
deactivation | 1. breaking up a military unit (by transfers or discharges) 2. the act of deactivating or making ineffective (as a bomb) More Definitions → |
minimisation | 1. the act of reducing something to the least possible amount or degree or position More Definitions → |
codification | 1. the act of codifying; arranging in a systematic order 2. a set of rules or principles or laws (especially written ones) More Definitions → |
pigmentation | 1. the deposition of pigment in animals or plants or human beings 2. coloration of living tissues by pigment More Definitions → |
interdiction | 1. authoritative prohibition 2. a court order prohibiting a party from doing a certain activity More Definitions → |
cohabitation | 1. the act of living together and having a sexual relationship (especially without being married) More Definitions → |
polarisation | 1. the condition of having or giving polarity 2. the phenomenon in which waves of light or other radiation are restricted in direction of vibration More Definitions → |
imperfection | 1. the state or an instance of being imperfect More Definitions → |
constriction | 1. a narrowing that reduces the flow through a channel 2. tight or narrow compression More Definitions → |
renunciation | 1. rejecting or disowning or disclaiming as invalid 2. the state of having rejected your religious beliefs for your political party or a cause (often in favor of opposing beliefs or causes) More Definitions → |
prolongation | 1. the act of prolonging something 2. amount or degree or range to which something extends More Definitions → |
finalization | 1. the act of finalizing More Definitions → |
conscription | 1. compulsory military service More Definitions → |
malformation | 1. an affliction in which some part of the body is misshapen or malformed 2. something abnormal or anomalous More Definitions → |
repossession | 1. the action of regaining possession (especially the seizure of collateral securing a loan that is in default) More Definitions → |
alimentation | 1. a source of materials to nourish the body 2. the act of supplying food and nourishment More Definitions → |
fluoridation | 1. the addition of a fluoride to the water supply (to prevent dental decay) More Definitions → |
annunciation | 1. a formal public statement More Definitions → |
memorization | 1. learning so as to be able to remember verbatim More Definitions → |
denunciation | 1. a public act of denouncing More Definitions → |
colonisation | 1. the act of colonizing; the establishment of colonies More Definitions → |
urbanisation | 1. the condition of being urbanized 2. the social process whereby cities grow and societies become more urban More Definitions → |
supplication | 1. a prayer asking God's help as part of a religious service 2. a humble request for help from someone in authority More Definitions → |
potentiation | 1. (medicine) the synergistic effect of two drugs given simultaneously More Definitions → |
reevaluation | 1. the evaluation of something a second time (or more) More Definitions → |
liquefaction | 1. the conversion of a solid or a gas into a liquid More Definitions → |
chlorination | 1. the addition or substitution of chlorine in organic compounds 2. disinfection of water by the addition of small amounts of chlorine or a chlorine compound More Definitions → |
exacerbation | 1. action that makes a problem or a disease (or its symptoms) worse 2. violent and bitter exasperation More Definitions → |
invalidation | 1. (law) a formal termination (of a relationship or a judicial proceeding etc) 2. when a person's thoughts and feelings are rejected, ignored, or judged. More Definitions → |
perpetuation | 1. the act of prolonging something More Definitions → |
digitisation | 1. conversion of analog information into digital information More Definitions → |
delimitation | 1. a line that indicates a boundary More Definitions → |
exhilaration | 1. the feeling of lively and cheerful joy More Definitions → |
recuperation | 1. gradual healing (through rest) after sickness or injury More Definitions → |
capitulation | 1. a document containing the terms of surrender 2. a summary that enumerates the main parts of a topic More Definitions → |
obliteration | 1. destruction by annihilating something 2. the complete destruction of every trace of something More Definitions → |
equalisation | 1. the act of making equal or uniform More Definitions → |
decapitation | 1. execution by cutting off the victim's head 2. killing by cutting off the head More Definitions → |
unionization | 1. act of forming labor unions More Definitions → |
interjection | 1. an abrupt emphatic exclamation expressing emotion 2. the action of interjecting or interposing an action or remark that interrupts More Definitions → |
vaporization | 1. annihilation by vaporizing something 2. the process of becoming a vapor More Definitions → |
impregnation | 1. material with which something is impregnated 2. the process of totally saturating something with a substance More Definitions → |
amelioration | 1. the act of relieving ills and changing for the better More Definitions → |
exasperation | 1. an exasperated feeling of annoyance 2. actions that cause great irritation (or even anger) More Definitions → |
predilection | 1. a predisposition in favor of something 2. a strong liking More Definitions → |
finalisation | 1. the act of finalizing More Definitions → |
alliteration | 1. use of the same consonant at the beginning of each stressed syllable in a line of verse More Definitions → |
monetization | 1. establishing something (e.g. gold or silver) as the legal tender of a country More Definitions → |
vasodilation | 1. dilation of blood vessels (especially the arteries) More Definitions → |
dermabrasion | 1. removal of scars or tattoos by anesthetizing the skin surface and then sanding or scraping off some of the outer skin layer More Definitions → |
demodulation | 1. (electronics) the reception of a signal by extracting it from the carrier wave More Definitions → |
legitimation | 1. the act of rendering a person legitimate 2. the act of making lawful More Definitions → |
indiscretion | 1. the trait of being injudicious 2. a petty misdeed More Definitions → |
adulteration | 1. being mixed with extraneous material; the product of adulterating 2. the act of adulterating (especially the illicit substitution of one substance for another) More Definitions → |
vilification | 1. slanderous defamation 2. a rude expression intended to offend or hurt More Definitions → |
asphyxiation | 1. the condition of being deprived of oxygen (as by having breathing stopped) 2. killing by depriving of oxygen More Definitions → |
misdirection | 1. an incorrect charge to a jury given by a judge 2. incorrect directions or instructions More Definitions → |
disaffection | 1. the feeling of being alienated from other people 2. disloyalty to the government or to established authority More Definitions → |
flocculation | 1. the process of flocculating; forming woolly cloudlike aggregations More Definitions → |
ossification | 1. the developmental process of bone formation 2. the calcification of soft tissue into a bonelike material More Definitions → |
legalisation | 1. the act of making lawful More Definitions → |