12-Letter Nouns Starting With A
Here's the list of all the 841 12-Letter Nouns Starting With A 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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availability | 1. the quality of being at hand when needed More Definitions → |
architecture | 1. an architectural product or work 2. the discipline dealing with the principles of design and construction and ornamentation of fine buildings More Definitions → |
announcement | 1. a formal public statement 2. a public statement containing information about an event that has happened or is going to happen 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 → |
anthropology | 1. the social science that studies the origins and social relationships of human beings More Definitions → |
acceleration | 1. an increase in rate of change 2. the act of accelerating; increasing the speed More Definitions → |
accumulation | 1. an increase by natural growth or addition 2. several things grouped together or considered as a whole More Definitions → |
aromatherapy | 1. the therapeutic use of aromatic plant extracts and essential oils in baths or massage 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 → |
authenticity | 1. undisputed credibility More Definitions → |
anticipation | 1. an expectation 2. something expected (as on the basis of a norm) More Definitions → |
abbreviation | 1. a shortened form of a word or phrase 2. shortening something by omitting parts of it More Definitions → |
astrophysics | 1. the branch of astronomy concerned with the physical and chemical properties of celestial bodies More Definitions → |
authenticate | More Definitions → |
acquaintance | 1. personal knowledge or information about someone or something 2. a relationship less intimate than friendship 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 → |
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 → |
adjudication | 1. the final judgment in a legal proceeding; the act of pronouncing judgment based on the evidence presented More Definitions → |
agribusiness | 1. a large-scale farming enterprise More Definitions → |
alphanumeric | More Definitions → |
apprehension | 1. fearful expectation or anticipation 2. the cognitive condition of someone who understands More Definitions → |
annihilation | 1. destruction by annihilating something 2. total destruction More Definitions → |
adaptability | 1. the ability to change (or be changed) to fit changed circumstances More Definitions → |
amphitheatre | 1. a sloping gallery with seats for spectators (as in an operating room or theater) 2. an oval large stadium with tiers of seats; an arena in which contests and spectacles are held More Definitions → |
amphitheater | 1. a sloping gallery with seats for spectators (as in an operating room or theater) 2. an oval large stadium with tiers of seats; an arena in which contests and spectacles are held More Definitions → |
amalgamation | 1. the combination of two or more commercial companies More Definitions → |
angiogenesis | 1. the formation of new blood vessels More Definitions → |
astonishment | 1. the feeling that accompanies something extremely surprising More Definitions → |
aerodynamics | 1. the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow 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 → |
astrobiology | 1. the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life More Definitions → |
astronautics | 1. the theory and practice of navigation through air or space More Definitions → |
appendicitis | 1. inflammation of the vermiform appendix More Definitions → |
afterthought | 1. thinking again about a choice previously made 2. an addition that was not included in the original plan More Definitions → |
alimentation | 1. a source of materials to nourish the body 2. the act of supplying food and nourishment More Definitions → |
abolitionist | 1. a reformer who favors abolishing slavery More Definitions → |
annunciation | 1. a formal public statement More Definitions → |
arthroplasty | 1. surgical reconstruction or replacement of a malformed or degenerated joint More Definitions → |
acquiescence | 1. acceptance without protest 2. agreement with a statement or proposal to do something More Definitions → |
autoimmunity | 1. production of antibodies against the tissues of your own body; produces autoimmune disease or hypersensitivity reactions More Definitions → |
acetaldehyde | 1. a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs More Definitions → |
alstroemeria | 1. any of various South American plants of the genus Alstroemeria valued for their handsome umbels of beautiful flowers More Definitions → |
advisability | 1. the quality of being advisable More Definitions → |
amelioration | 1. the act of relieving ills and changing for the better More Definitions → |
azathioprine | 1. an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ More Definitions → |
administrate | More Definitions → |
alliteration | 1. use of the same consonant at the beginning of each stressed syllable in a line of verse More Definitions → |
archeologist | 1. an anthropologist who studies prehistoric people and their culture More Definitions → |
augmentative | More Definitions → |
antimalarial | 1. a medicinal drug used to prevent or treat malaria 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 → |
asphyxiation | 1. the condition of being deprived of oxygen (as by having breathing stopped) 2. killing by depriving of oxygen More Definitions → |