12-letter words containing a, r, i, s
- altercations — Plural form of altercation.
- alternations — Plural form of alternation.
- alternatives — a choice limited to one of two or more possibilities, as of things, propositions, or courses of action, the selection of which precludes any other possibility: You have the alternative of riding or walking.
- 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.
- ambisinister — clumsy or unskillful with both hands.
- ambulatories — Plural form of ambulatory.
- amentiferous — bearing aments
- americanisms — a custom, trait, belief, etc., peculiar to the United States of America or its citizens.
- americanness — of or relating to the United States of America or its inhabitants: an American citizen.
- amortisation — Alternative spelling of amortization.
- amphicarpous — producing two kinds of fruit that differ either in form or in time of ripening.
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- an iron fist — a cruel and unyielding attitude or approach
- anacatharsis — severe vomiting
- anachronisms — Plural form of anachronism.
- anachronists — Plural form of anachronist.
- anaerobiosis — life in the absence of oxygen
- anamorphosis — an image or drawing distorted in such a way that it becomes recognizable only when viewed in a specified manner or through a special device
- anaphrodisia — diminished sexual desire.
- androgenesis — a type of reproduction in insects and plants involving the development of an embryo that contains only paternal chromosomes
- androscoggin — a river flowing from NE New Hampshire through SW Maine into the Kennebec River. 171 miles (275 km) long.
- anemotropism — orientation in response to a current of air.
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.
- angel's hair — Also called capelli d’angelo. Italian Cookery. a type of very thin pasta.
- angiocarpous — being or having fruit contained in a vessel such as a shell
- angiosarcoma — a rare, malignant tumour which grows rapidly in the blood vessels
- angst-ridden — characterized by a feeling of dread or anxiety
- angularities — Plural form of angularity.
- animatronics — a branch of film and theatre technology that combines traditional puppetry techniques with electronics to create lifelike animated effects
- anisomorphic — differing in the semantic scope of terms referring to the real world: for instance, English and Russian are anisomorphic with regard to colour terms, English treating light blue and navy blue as shades of one colour but Russian treating these two shades as unrelated
- anisothermal — (thermodynamics) Of or pertaining to a system that is not in thermal equilibrium, that does not have a single fixed temperature.
- anisotropies — Plural form of anisotropy.
- anisotropism — the state of being anisotropic
- annunciators — Plural form of annunciator.
- anorthositic — resembling or consisting of anorthosite
- answer print — a motion-picture film print composed of picture and sound, used for evaluation.
- anteriorness — The state or quality of being anterior.
- anthologiser — Alternative spelling of anthologizer.
- anti-british — opposed to anything characteristic of or relating to Britain
- anti-realism — interest in or concern for the actual or real, as distinguished from the abstract, speculative, etc.
- anti-strophe — the part of an ancient Greek choral ode answering a previous strophe, sung by the chorus when returning from left to right.
- antibarbarus — a list of words and sayings to be avoided in the classical usage of a language
- anticonsumer — opposed to consumerism
- antiestrogen — any of several major female sex hormones produced primarily by the ovarian follicles of female mammals, capable of inducing estrus, developing and maintaining secondary female sex characteristics, and preparing the uterus for the reception of a fertilized egg: used, especially in synthetic form, as a component of oral contraceptives, in certain cancer treatments, and in other therapies.
- antifebriles — Plural form of antifebrile.
- antigropelos — waterproof leggings used to protect against mud
- antihysteric — acting to counter hysteria