9-Letter Nouns Ending With M
Here's the list of all the 693 9-Letter Nouns Ending With M 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 Nouns (with Definitions and Examples) | |
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classroom | 1. a room in a school where lessons take place More Definitions → |
mechanism | 1. the atomic process that occurs during a chemical reaction 2. the technical aspects of doing something More Definitions → |
algorithm | 1. a precise rule (or set of rules) specifying how to solve some problem More Definitions → |
terrorism | 1. the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear More Definitions → |
criticism | 1. disapproval expressed by pointing out faults or shortcomings 2. a serious examination and judgment of something More Definitions → |
symposium | 1. a meeting or conference for the public discussion of some topic especially one in which the participants form an audience and make presentations More Definitions → |
petroleum | 1. a dark oil consisting mainly of hydrocarbons More Definitions → |
transform | More Definitions → |
aluminium | 1. a silvery ductile metallic element found primarily in bauxite More Definitions → |
ecosystem | 1. a system formed by the interaction of a community of organisms with their physical environment More Definitions → |
potassium | 1. a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite More Definitions → |
magnesium | 1. a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine) More Definitions → |
continuum | 1. a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts More Definitions → |
subsystem | 1. a system that is part of some larger system More Definitions → |
communism | 1. a form of socialism that abolishes private ownership 2. a political theory favoring collectivism in a classless society More Definitions → |
socialism | 1. a political theory advocating state ownership of industry 2. an economic system based on state ownership of capital More Definitions → |
courtroom | 1. a room in which a law court sits More Definitions → |
gymnasium | 1. athletic facility equipped for sports or physical training More Definitions → |
microfilm | 1. film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material More Definitions → |
histogram | 1. a bar chart representing a frequency distribution; heights of the bars represent observed frequencies More Definitions → |
vandalism | 1. willful wanton and malicious destruction of the property of others More Definitions → |
palladium | 1. a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry More Definitions → |
diaphragm | 1. a mechanical device in a camera that controls size of aperture of the lens 2. (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration More Definitions → |
lorazepam | 1. tranquilizer (trade name Ativan) used to treat anxiety and tension and insomnia More Definitions → |
symbolism | 1. a system of symbols and symbolic representations 2. the practice of investing things with symbolic meaning More Definitions → |
mysticism | 1. a religion based on mystical communion with an ultimate reality 2. obscure or irrational thought More Definitions → |
plutonium | 1. a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239 More Definitions → |
magnetism | 1. attraction for iron; associated with electric currents as well as magnets; characterized by fields of force 2. the branch of science that studies magnetism More Definitions → |
boardroom | 1. a room where a committee meets (such as the board of directors of a company) More Definitions → |
modernism | 1. genre of art and literature that makes a self-conscious break with previous genres 2. the quality of being current or of the present More Definitions → |
arboretum | 1. a facility where trees and shrubs are cultivated for exhibition More Definitions → |
cytoplasm | 1. the protoplasm of a cell excluding the nucleus; is full of proteins that control cell metabolism More Definitions → |
formalism | 1. the doctrine that formal structure rather than content is what should be represented 2. (philosophy) the philosophical theory that formal (logical or mathematical) statements have no meaning but that its symbols (regarded as physical entities) exhibit a form that has useful applications More Definitions → |
bacterium | 1. (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants More Definitions → |
pluralism | 1. a social organization in which diversity of racial or religious or ethnic or cultural groups is tolerated 2. the doctrine that reality consists of several basic substances or elements More Definitions → |
extremism | 1. any political theory favoring immoderate uncompromising policies More Definitions → |
herbarium | 1. a collection of dried plants that are mounted and systematically classified for study More Definitions → |
catechism | 1. a series of questions put to an individual (such as a political candidate) to elicit their views 2. an elementary book summarizing the principles of a Christian religion; written as questions and answers More Definitions → |
pseudonym | 1. a fictitious name used when the person performs a particular social role More Definitions → |
overwhelm | More Definitions → |
reticulum | 1. any fine network (especially one in the body composed of cells or blood vessels) 2. the second compartment of the stomach of a ruminant More Definitions → |
conundrum | 1. a difficult problem More Definitions → |
beryllium | 1. a light strong brittle grey toxic bivalent metallic element More Definitions → |
martyrdom | 1. death that is imposed because of the person's adherence of a religious faith or cause 2. any experience that causes intense suffering More Definitions → |
firestorm | 1. a storm in which violent winds are drawn into the column of hot air rising over a severely bombed area 2. an outburst of controversy More Definitions → |
anarchism | 1. a political theory favoring the abolition of governments More Definitions → |
stateroom | 1. a guest cabin More Definitions → |
shamanism | 1. any animistic religion similar to Asian shamanism (especially as practiced by certain Native American tribes) 2. an animistic religion of northern Asia having the belief that the mediation between the visible and the spirit worlds is effected by shamans More Definitions → |
logarithm | 1. the exponent required to produce a given number More Definitions → |
voyeurism | 1. a perversion in which a person receives sexual gratification from seeing the genitalia of others or witnessing others' sexual behavior More Definitions → |
masochism | 1. sexual pleasure obtained from receiving punishment (physical or psychological) More Definitions → |
microcosm | 1. a miniature model of something More Definitions → |
zirconium | 1. a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon More Definitions → |
maelstrom | 1. a powerful circular current of water (usually the result of conflicting tides) More Definitions → |
colostrum | 1. milky fluid secreted for the first day or two after parturition More Definitions → |
strontium | 1. a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite More Definitions → |
pentagram | 1. a star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon More Definitions → |
mausoleum | 1. a large burial chamber, usually above ground More Definitions → |
athenaeum | 1. a literary or scientific association for the promotion of learning 2. a place where reading materials are available More Definitions → |
ultimatum | 1. a final peremptory demand More Definitions → |
pessimism | 1. the feeling that things will turn out badly 2. a general disposition to look on the dark side and to expect the worst in all things More Definitions → |
mammogram | 1. X-ray film of the soft tissue of the breast More Definitions → |
deuterium | 1. an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen) More Definitions → |
sandstorm | 1. a windstorm that lifts up clouds of dust or sand More Definitions → |
botulinum | 1. anaerobic bacterium producing botulin the toxin that causes botulism More Definitions → |
germanium | 1. a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite More Definitions → |
neodymium | 1. a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium More Definitions → |
snowstorm | 1. a storm with widespread snowfall accompanied by strong winds More Definitions → |
milligram | 1. one thousandth (1/1,000) gram More Definitions → |
euphonium | 1. a bass horn (brass wind instrument) that is the tenor of the tuba family More Definitions → |
microgram | 1. one millionth (1/1,000,000) gram More Definitions → |
despotism | 1. dominance through threat of punishment and violence 2. a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.) More Definitions → |
brainstem | 1. the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus More Definitions → |
airstream | 1. a relatively well-defined prevailing wind 2. the flow of air that is driven backwards by an aircraft propeller More Definitions → |
euphemism | 1. an inoffensive or indirect expression that is substituted for one that is considered offensive or too harsh More Definitions → |
diltiazem | 1. a calcium blocker (trade name Cardizem) used in treating hypertension or angina or heart failure More Definitions → |
cloakroom | 1. a private lounge off of a legislative chamber 2. a room where coats and other articles can be left temporarily More Definitions → |
earthworm | 1. terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers More Definitions → |
antiserum | 1. blood serum containing antibodies against specific antigens; provides immunity to a disease More Definitions → |
barbarism | 1. a brutal barbarous savage act More Definitions → |
volcanism | 1. the phenomena associated with volcanic activity More Definitions → |
eroticism | 1. a state of anticipation of sexuality 2. the arousal of feelings of sexual desire More Definitions → |
cuneiform | 1. an ancient wedge-shaped script used in Mesopotamia and Persia More Definitions → |
hypnotism | 1. the act of inducing hypnosis More Definitions → |
lunchroom | 1. a restaurant (in a facility) where lunch can be purchased More Definitions → |
fetishism | 1. a belief in the magical power of fetishes (or the worship of a fetish) 2. sexual arousal or gratification resulting from handling a fetish (or a specific part of the body other than the sexual organs) More Definitions → |
feudalism | 1. the social system that developed in Europe in the 8th century; vassals were protected by lords who they had to serve in war More Definitions → |
ruthenium | 1. a rare polyvalent metallic element of the platinum group; it is found associated with platinum More Definitions → |
ecumenism | 1. a movement promoting union between religions (especially between Christian churches) 2. (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity More Definitions → |
criterium | 1. a bicycle race held on a short course (usually less than 5 km or 3 miles) More Definitions → |
temazepam | 1. a frequently prescribed benzodiazepine (trade name Restoril); takes effect slowly and lasts long enough to help those people who wake up frequently during the night More Definitions → |
storeroom | 1. a room in which things are stored More Definitions → |
occultism | 1. the study of the supernatural 2. a belief in supernatural powers and the possibility of bringing them under human control More Definitions → |
rainstorm | 1. a storm with rain More Definitions → |
pantheism | 1. (rare) worship that admits or tolerates all gods 2. the doctrine or belief that God is the universe and its phenomena (taken or conceived of as a whole) or the doctrine that regards the universe as a manifestation of God More Definitions → |
harmonium | 1. a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows More Definitions → |
midstream | 1. the middle of a stream More Definitions → |
dichroism | 1. pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions More Definitions → |
lanthanum | 1. a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth More Definitions → |
synergism | 1. the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects 2. the theological doctrine that salvation results from the interaction of human will and divine grace More Definitions → |
terrarium | 1. a vivarium in which selected living plants are kept and observed More Definitions → |
cataclysm | 1. a sudden violent change in the earth's surface 2. an event resulting in great loss and misfortune More Definitions → |
endosperm | 1. nutritive tissue surrounding the embryo within seeds of flowering plants More Definitions → |
windstorm | 1. a storm consisting of violent winds More Definitions → |
presidium | 1. a permanent executive committee in socialist countries that has all the powers of some larger legislative body and that acts for it when it is not in session More Definitions → |
stockroom | 1. storeroom for storing goods and supplies used in a business More Definitions → |
reconfirm | More Definitions → |
angiogram | 1. an X-ray representation of blood vessels made after the injection of a radiopaque substance More Definitions → |
hailstorm | 1. a storm during which hail falls More Definitions → |
stratagem | 1. a maneuver in a game or conversation 2. an elaborate or deceitful scheme contrived to deceive or evade More Definitions → |
subphylum | 1. (biology) a taxonomic group ranking between a phylum and a class More Definitions → |
syllogism | 1. deductive reasoning in which a conclusion is derived from two premises More Definitions → |