12-letter words containing r, a, t
- aeroplankton — the tiny plants, animals, and bacteria living and floating in the air
- aerosiderite — a meteorite which is composed mainly of iron
- aethelred ii — ("Ethelred the Unready") a.d. 968?–1016, king of England 978–1013, 1014–1016.
- aethrioscope — an instrument which measures temperature changes caused by different conditions of the sky
- affirmations — Plural form of affirmation.
- affirmatives — Plural form of affirmative.
- afforestable — having the capacity to be turned into forest
- affrightedly — in a frightened or alarmed manner
- affrightment — the act of causing fear or alarm
- affrontingly — in an affronting manner
- aforestation — Alternative spelling of afforestation.
- aforethought — premeditated (esp in the phrase malice aforethought)
- 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
- afro-british — of or relating to British people of African descent
- afrocentrism — centered on Africa or on African-derived cultures, as those of Brazil, Cuba, and Haiti: Afrocentric art.
- after a sort — to some extent
- after-dinner — immediately following dinner: an after-dinner speech.
- 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.
- 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
- aftereffects — Plural form of aftereffect.
- 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.
- agent orange — a highly poisonous herbicide used as a spray for defoliation and crop destruction, esp by US forces during the Vietnam War
- agglomerated — gathered together into a cluster or mass.
- agglomerates — Third-person singular simple present indicative form of agglomerate.
- agglomerator — gathered together into a cluster or mass.
- aggravatedly — In an aggravated manner.
- aggravations — Plural form of aggravation.
- aggregations — Plural form of aggregation.
- aggressivity — the state or quality of being aggressive
- aggrievement — the state of being aggrieved
- aggrupations — Plural form of aggrupation.
- agrammatical — not obeying the rules of grammar
- agranulocyte — a white blood cell without granules in its cytoplasm
- agreeability — an agreeable disposition
- agricultural — Agricultural means involving or relating to agriculture.
- agriproducts — Plural form of agriproduct.
- agroforester — a person who carries out agroforestry
- agroforestry — a method of farming integrating herbaceous and tree crops
- agroindustry — an activity combining agriculture and industry
- aids-related — caused by or associated with the AIDS virus
- air disaster — a very serious air crash in which in a lot of people are killed or injured
- air mattress — an inflatable mattress or pad, as of plastic or rubber, used for camping, as an extra bed, etc.
- air ministry — (in England) the department of government administering all civil and military matters concerning aviation.
- air terminal — An air terminal is a building in which passengers wait before they get on to an aeroplane.
- air-breather — an aircraft, missile, or submarine engine that requires air from the atmosphere for the combustion of its fuel.
- airbrush out — to remove evidence of (someone or something from photographs, books, or history)
- aircraftsman — a person holding the rank of noncommissioned officer in the RAF.