16-letter words containing t, r, a
- aerometeorograph — an aircraft instrument that records temperature, humidity, and atmospheric pressure
- aerotherapeutics — the treatment of disease by the use of air, esp. by exposing patients to changes in atmospheric pressure
- aesthetic labour — workers employed by a company for their appearance or accent, with the aim of promoting the company's image
- affirmative flag — a flag having five horizontal stripes, blue, white, red, white, and blue, from top to bottom, signifying “yes”: letter C in the International Code of Signals.
- african elephant — a type of elephant that is native to Africa
- agency agreement — an agreement between a business and an agent appointed to promote its interests
- aggregate demand — the total demand for goods and services in an economy at a specified price level and in a specified time period
- aggregate supply — the total supply of goods and services produced by a national economy in a specified time period, at a specified price level
- agricultural ant — harvester ant.
- agustin iturbide — Agustín de [ah-goos-teen de] /ˌɑ gusˈtin dɛ/ (Show IPA), 1783–1824, Mexican soldier and revolutionary: as Agustín I, emperor of Mexico 1822–23.
- ai international — (company) One of distributors of Prolog++, subsumed by Customer Engagement Company before December 1998.
- air conditioning — Air conditioning is a method of providing buildings and vehicles with cool dry air.
- air-raid shelter — a structure, often located underground, that is designed to protect people during an air raid
- aircraft carrier — An aircraft carrier is a warship with a long, flat deck where aircraft can take off and land.
- alder flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)
- aleutian current — a current in the Pacific Ocean that flows eastward between latitudes 40° and 50° N.
- alfred the great — 849–99, king of Wessex (871–99) and overlord of England, who defeated the Danes and encouraged learning and writing in English
- alimentary canal — The alimentary canal in a person or animal is the passage in their body through which food passes from their mouth to their anus.
- all for the best — turning out to be good or fortunate after all
- all over the map — changeable
- all-terrain bike — mountain bike. Abbreviation: ATB.
- alligator lizard — any of several lizards of the genera Algaria and Gerrhonotus, of western North America, having shinglelike scales and a fold along each side that permits expansion.
- alligator pepper — a tropical African zingiberaceous plant, Amomum melegueta, having red or orange spicy seed capsules
- alligator wrench — a wrench having a V -shaped pair of serrated jaws set at right angles to the shank for turning cylindrical or irregularly shaped parts.
- alliterativeness — The state or quality of being alliterative.
- alpha-beta brass — a type of brass that contains 35–45 per cent zinc
- alpha-interferon — interferon (def 2).
- alpha-tocopherol — Alpha-tocopherol is a form of vitamin E.
- alternate angles — two angles at opposite ends and on opposite sides of a transversal cutting two lines
- alternative fact — a theory posited as an alternative to another, often more widely accepted, theory
- alternative fuel — An alternative fuel is any automotive fuel other than gasoline and diesel fuel.
- alternative rock — a broad category of popular rock music typically regarded as somewhat out of the mainstream and variously including elements of punk rock, heavy metal, folk music, etc.
- alternative vote — of or relating to a system of voting in which voters list the candidates in order of preference. If no candidate obtains more than 50% of first-preference votes, the votes for the bottom candidate are redistributed according to the voters' next preference
- altitude chamber — a chamber for simulating the conditions of air pressure and temperature for a given altitude in order to test the behavior of people and equipment in such an environment.
- aluminum nitrate — a white, crystalline, water-soluble solid, Al(NO 3) 3 ⋅9H 2 O, used chiefly as a mordant in dyeing cotton.
- alvarez quintero — Joa‧ˈquín (hwɑˈkin ) ; hwäkēnˈ) 1873-1944; Sp. playwright
- ambidextrousness — The state or quality of being ambidextrous.
- amebic dysentery — a form of dysentery caused by an amoeba (Entamoeba histolytica)
- american bittern — any of several tawny brown herons that inhabit reedy marshes, as Botaurus lentiginosus (American bittern) of North America, and B. stellaris, of Europe.
- american kestrel — a small American falcon (Falco sparverius) with a reddish-brown back and tail; sparrow hawk
- american mustard — a mild yellow mustard
- american tragedy — a novel (1925) by Theodore Dreiser.
- aminocitric acid — an amino acid, C 6 H 9 O 7 N, that is a component of calf thymus ribonucleoprotein.
- aminotransferase — transaminase.
- ammonium nitrate — a colourless highly soluble crystalline solid used mainly as a fertilizer and in explosives and pyrotechnics. Formula: NH4NO3
- amusement arcade — An amusement arcade is a place where you can play games on machines which work when you put money in them.
- anabolic steroid — Anabolic steroids are drugs which people, especially athletes, take to make their muscles bigger and to give them more strength.
- anagrammatically — In an anagrammatic manner.
- anal intercourse — a form of sexual intercourse in which the penis is inserted into the anus
- analytical entry — a bibliographic record of part of an item for which a comprehensive bibliographic record has been made, as a single play or essay in an anthology, a subject in a comprehensive work, or a part of a multivolume set of books.