12-letter words containing u, a
- acidophilous — thriving in an acidic environment
- acorn squash — a kind of winter squash, acorn-shaped with ridged, dark-green skin and sweet, yellow flesh
- acoustic ohm — the unit of acoustic impedance, equal to the impedance of a medium in which a sound pressure of one dyne per square centimeter produces a velocity of one centimeter per second.
- acoustically — with reference to acoustics; from the standpoint of acoustics
- acoustimeter — a portable electronic device for measuring noise levels, especially those of traffic.
- acquaintance — An acquaintance is someone who you have met and know slightly, but not well.
- acquiescence — Acquiescence is agreement to do what someone wants, or acceptance of what they do even though you do not agree with it.
- acquirements — Plural form of acquirement.
- acquisitions — An asset or object bought or obtained, typically by a library or museum.
- acquittances — Plural form of acquittance.
- action group — a group of people who come together to fight for a particular cause or to carry out a particular task
- acute accent — the diacritical mark (´), used in the writing system of some languages to indicate that the vowel over which it is placed has a special quality (as in French été) or that it receives the strongest stress in the word (as in Spanish hablé)
- acute-angled — (of a triangle) having three acute angles
- acutilingual — having a sharply pointed tongue or mouth, as certain bees.
- ad arbitrium — at pleasure; at will.
- ad infinitum — If something happens ad infinitum, it is repeated again and again in the same way.
- adenoviruses — Plural form of adenovirus.
- adeodatus ii — Saint, died a.d. 676, pope 672–676.
- adequateness — the quality of being adequate
- adiapneustia — (medicine) defective perspiration; adiaphoresis.
- adjournments — Plural form of adjournment.
- adjudicating — Present participle of adjudicate.
- adjudication — the act of adjudicating
- adjudicative — to pronounce or decree by judicial sentence.
- adjudicators — Plural form of adjudicator.
- adjudicatory — relating to adjudication
- adjudicature — An act of adjudication; a judgment.
- adjunctively — in an adjunctive manner
- adjunctivity — The state or quality of being adjunctive, or of forming or constituting an adjunct.
- adjustmental — relating to adjustment
- adminiculary — Adminicular.
- adminiculate — to attest or corroborate; to confirm or affirm as true
- adrian quist — intoxicated; drunk
- adscititious — added or supplemental; additional
- adularescent — (of minerals, such as moonstone) having or emitting a milky or bluish iridescence
- adulterating — Present participle of adulterate.
- adulteration — an adulterating or being adulterated
- adulteresses — Plural form of adulteress.
- adulterously — In a adulterous manner.
- advantageous — If something is advantageous to you, it is likely to benefit you.
- adventitious — added or appearing accidentally or unexpectedly
- adventureful — an exciting or very unusual experience.
- adventurists — Plural form of adventurist.
- adverb group — An adverb group or adverbial group is a group of words based on an adverb, such as 'very slowly' or 'fortunately for us'. An adverb group can also consist simply of an adverb.
- aelurophilia — ailurophilia.
- aelurophobia — ailurophobia.
- aerial input — a socket for an aerial
- aeroacoustic — Relating to aeroacoustics.
- aeronautical — Aeronautical means involving or relating to the design and construction of aeroplanes.
- aeroneurosis — a functional disorder of aeroplane pilots characterized by anxiety and various psychosomatic disturbances, caused by insufficient oxygen at high altitudes and the emotional tension of flying