12-letter words containing a, r, t, s
- 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
- anachronists — Plural form of anachronist.
- and so forth — and so on; and other such things; et cetera
- androsterone — an androgenic steroid hormone produced in the testes. Formula: C19H30O2
- anemotropism — orientation in response to a current of air.
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.
- 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
- 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.
- anorthoclase — a variety of microcline, rich in sodium and sometimes having a play of color: sometimes considered a variety of orthoclase.
- anorthositic — resembling or consisting of anorthosite
- anotherguess — of a different type or kind; different
- ansate cross — ankh
- answer print — a motion-picture film print composed of picture and sound, used for evaluation.
- antechambers — Plural form of antechamber.
- anteriorness — The state or quality of being anterior.
- anthocarpous — resembling or pertaining to an anthocarp
- 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
- antimacassar — a cloth covering the back and arms of chairs, etc, to prevent soiling or as decoration
- antineutrons — Plural form of antineutron.
- antiphrastic — relating to antiphrasis
- antipleasure — opposed to pleasure
- antipyretics — Plural form of antipyretic.
- antiquarians — Plural form of antiquarian.
- antiroyalism — Opposition to royals or royalism.
- antiroyalist — opposed to the monarchy
- antirrhinums — Plural form of antirrhinum.
- antispinward — (often science fiction) In a rotating reference frame, against the direction of spin.
- antistrophes — Plural form of antistrophe.
- antistrophic — Of or pertaining to an antistrophe.
- antistrophon — an argument that is retorted against an opponent
- antisway bar — stabilizer bar.
- antisymmetry — the correspondence in size, form, and arrangement of parts on opposite sides of a plane, line, or point; regularity of form or arrangement in terms of like, reciprocal, or corresponding parts.
- anton sailer — Anton [ahn-tohn] /ˈɑn toʊn/ (Show IPA), ("Toni") 1935–2009, Austrian skier.
- anzus treaty — Australia, New Zealand, and the United States, especially as associated in the mutual defense treaty (ANZUS Pact or ANZUS Treaty) of 1952.