12-letter words containing a, u, r
- aforethought — premeditated (esp in the phrase malice aforethought)
- afterburners — Plural form of afterburner.
- afterburning — a process in which additional fuel is ignited in the exhaust gases of a jet engine to produce additional thrust
- afterthought — If you do or say something as an afterthought, you do or say it after something else as an addition, perhaps without careful thought.
- agaricaceous — belonging to the Agaricaceae, a family of fungi including mushrooms having blade-shaped gills on the underside of the cap.
- agency nurse — a nurse employed by an agency, rather than by a hospital
- aggrupations — Plural form of aggrupation.
- agranulocyte — a white blood cell without granules in its cytoplasm
- agribusiness — Agribusiness is the various businesses that produce, sell, and distribute farm products, especially on a large scale.
- agricultural — Agricultural means involving or relating to agriculture.
- agriproducts — Plural form of agriproduct.
- agrobusiness — the businesses collectively associated with the production, processing, and distribution of agricultural products.
- agroindustry — an activity combining agriculture and industry
- ailurophiles — Plural form of ailurophile.
- ailurophilia — a liking for cats, as by cat fanciers.
- ailurophilic — relating to ailurophilia
- ailurophobes — Plural form of ailurophobe.
- ailurophobia — an abnormal fear of cats
- ailurophobic — relating to ailurophobia
- air pressure — the force of air pressing down on an area
- air purifier — a device which removes pollutants and allergens from the air
- airbrush out — to remove evidence of (someone or something from photographs, books, or history)
- alan shugart — Alan F. Shugart
- alcaptonuria — Alternative spelling of alkaptonuria.
- aldebaranium — (chemistry, obsolete) A rejected name for ytterbium.
- alexandrinus — the Greek uncial codex, dating from the early 5th century a.d., originally containing the complete text of the Greek Old and New Testaments.
- alhambresque — like the Alhambra, especially in richness of ornamentation
- alieni juris — under the control of another, as a lunatic or infant.
- alkaptonuria — excessive excretion of homogentisic acid in the urine, caused by a hereditary abnormality of the metabolism of tyrosine and phenylalanine.
- all-powerful — An all-powerful person or organization has the power to do anything they want.
- allahu akbar — an exclamation used in the call to prayer and also used as a call to the defence of Muslims, an expression of approval, and a funeral litany
- allosauruses — Plural form of allosaurus.
- alluringness — The state or quality of being alluring.
- alphanumeric — (of a character set, code, or file of data) consisting of alphabetical and numerical symbols
- alphaviruses — Plural form of alphavirus.
- alto-stratus — a cloud of a class characterized by a generally uniform gray sheet or layer, lighter in color than nimbostratus and darker than cirrostratus: of medium altitude, about 8000–20,000 feet (2450–6100 meters).
- amateurishly — In an amateurish or nonprofessional manner.
- ambartsumian — Viktor A(mazaspovich). 1908–96, Armenian astrophysicist, renowned for his description of radio sources as explosions in the core of galaxies
- ambidextrous — Someone who is ambidextrous can use both their right hand and their left hand equally skilfully.
- ambisextrous — Informal. sexually attracted to both sexes; bisexual. used by or suitable for either sex; unisex: ambisextrous hair styles.
- ambulatories — Plural form of ambulatory.
- ambulatorily — By or in terms of walking.
- amentiferous — bearing aments
- aminobutyric — (organic chemistry) Of or pertaining to any of several isomeric univalent radicals in which a hydrogen atom of a butyric radical is replaced by an amino group.
- amour-propre — self-respect
- amourousness — Rare spelling of amorousness.
- amphicarpous — producing two kinds of fruit that differ either in form or in time of ripening.
- amphiregulin — (protein) A particular autocrine growth factor.
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- anacrogynous — having the female sex organs arising from any cell below the apex of the stem, thereby not terminating its growth, as certain liverworts.