12-letter words containing a, r, t, c
- aeroacoustic — Relating to aeroacoustics.
- aerodonetics — the study of soaring or gliding flight, esp the study of gliders
- aeroelastics — the study of aeroelastic phenomena.
- aeromagnetic — of magnetism in the atmosphere
- aeronautical — Aeronautical means involving or relating to the design and construction of aeroplanes.
- aethrioscope — an instrument which measures temperature changes caused by different conditions of the sky
- african time — unpunctuality
- afro-asiatic — a family of languages of SW Asia and N Africa, consisting of the Semitic, ancient Egyptian, Berber, Cushitic, and Chadic subfamilies
- afrocentrism — centered on Africa or on African-derived cultures, as those of Brazil, Cuba, and Haiti: Afrocentric art.
- after-effect — The after-effects of an event, experience, or substance are the conditions which result from it.
- after-school — After-school activities are those that are organized for children in the afternoon or evening after they have finished school.
- aftereffects — Plural form of aftereffect.
- agrammatical — not obeying the rules of grammar
- agranulocyte — a white blood cell without granules in its cytoplasm
- agricultural — Agricultural means involving or relating to agriculture.
- agriproducts — Plural form of agriproduct.
- aircraftsman — a person holding the rank of noncommissioned officer in the RAF.
- airport code — a three-letter abbreviation of the names of the world's major airports, used especially as an identifier for routing baggage.
- alant starch — inulin.
- albert canal — ship canal in Belgium, from Liège to Antwerp: 81 mi (131 km)
- alcaptonuria — Alternative spelling of alkaptonuria.
- allegoristic — writing or using allegory; interpreting in an allegorical sense.
- allotropical — (chemistry, rare) Of or pertaining to an element that exhibits allotropy.
- altercations — Plural form of altercation.
- amber nectar — beer
- 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.
- amperometric — relating to or involving the measurement of an electric current
- amphotericin — an amphoteric antibiotic produced by the bacterium Streptomyces nodosus and used in the treatment of fungal infections.
- anacatharsis — severe vomiting
- anacathartic — causing anacatharsis
- anachronists — Plural form of anachronist.
- anaerobiotic — anaerobic
- anagrammatic — a word, phrase, or sentence formed from another by rearranging its letters: “Angel” is an anagram of “glean.”.
- anchor light — a 32-point light, visible from at least two miles away, shown at night near the bow and not more than 20 feet (6 meters) above the deck of a vessel lying at anchor.
- anchor plant — a South American shrub, Colletia cruciata, of the buckthorn family, having flattened green branches and yellowish-white flowers.
- anchor watch — a deck watch maintained by the crew of a ship at anchor.
- anchoritical — in the manner of or resembling an anchorite
- androcentric — having or regarding man or the male sex as central or primary
- androgenetic — related to androgenesis
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.
- animatronics — a branch of film and theatre technology that combines traditional puppetry techniques with electronics to create lifelike animated effects
- annunciators — Plural form of annunciator.
- annunciatory — to announce.
- 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
- ansate cross — ankh
- antarafacial — (chemistry) Of a chemical reaction, involving two simultaneous changes in bonding to opposite faces of a common centre (or related centres) of a molecular fragment.
- antarthritic — relieving joint inflammation caused by gout
- antebrachial — Lb anatomy relating to the forearm.
- antebrachium — (anatomy) The forearm.