12-letter words containing r, a, b, t
- antebrachium — (anatomy) The forearm.
- antechambers — Plural form of antechamber.
- anti-british — opposed to anything characteristic of or relating to Britain
- anti-liberal — favorable to progress or reform, as in political or religious affairs.
- antiabortion — opposed to induced or surgical abortions
- antibarbarus — a list of words and sayings to be avoided in the classical usage of a language
- antiberiberi — Countering beriberi.
- antibrachium — (anatomy) alternative spelling of antebrachium.
- antiburglary — intended to prevent burglary
- antifebriles — Plural form of antifebrile.
- antimicrobic — Antimicrobial.
- antiparabema — either of two chapels at the west end of an Armenian or Byzantine church.
- antiroll bar — a horizontal bar in the suspension system of some automotive vehicles, that stabilizes the body of the vehicle and thereby reduces sway, esp. during turns
- antisway bar — stabilizer bar.
- antithrombin — a substance that counteracts the action of thrombin, preventing the formation of blood clots
- antwerp blue — any of several iron-blue pigments, usually containing a considerable amount of extender.
- apostle bird — a gregarious grey-and-brown Australian nest-building bird, Struthidea cinerea
- apple butter — a jam made from stewed spiced apples
- approbations — approval; commendation.
- arba kanfoth — a rectangular piece of cloth with fringes at the four corners and a hole in the center for the head, worn under the clothes by Orthodox Jewish males.
- arbitrageurs — Plural form of arbitrageur.
- arbitrations — Plural form of arbitration.
- arborization — a branching treelike appearance in certain fossils and minerals
- archibenthos — the ocean bottom between the littoral and abyssal zones: from depths of approximately 200 feet (60 meters) to 3300 feet (1000 meters).
- archiblastic — of, relating to, or derived from an archiblast.
- around about — Around about means approximately.
- arousability — to stimulate sexually.
- art mobilier — small, movable art objects, especially primitive or prehistoric works of art.
- arthrobacter — a genus of rod-shaped or spherical bacteria found in the soil.
- artzybasheff — Boris Mikhailovich [bawr-is mi-kahy-luh-vich,, bor-;; Russian buh-ryees myi-khahy-luh-vyich] /ˈbɔr ɪs mɪˈkaɪ lə vɪtʃ,, ˈbɒr-;; Russian bʌˈryis myɪˈxaɪ lə vyɪtʃ/ (Show IPA), 1899–1965, U.S. illustrator and writer, born in Russia.
- astrobiology — the branch of biology that investigates the possibility of life elsewhere in the universe
- atholl brose — a mixture of whisky and honey left to ferment before consumption
- atrabilarian — Characterized by melancholy or glum; atrabilarious; atrabilious.
- attenborough — Sir David. born 1926, British naturalist and broadcaster; noted esp for his TV series Life on Earth (1978), The Living Planet (1983), The Life of Birds (1998), The Life of Mammals (2002), and First Life (2010)
- attributable — If something is attributable to an event, situation, or person, it is likely that it was caused by that event, situation or person.
- attributions — Plural form of attribution.
- authorizable — able to be authorized
- b'nai b'rith — a Jewish fraternal organization founded in New York in 1843, having moral, philanthropic, social, educational, and political aims
- b-s particle — a neutral meson with a mass 10,507 times that of the electron and a mean lifetime of approximately 1.6 X 10 -12 seconds.
- baby brother — a younger brother
- baby monitor — a device that transmits sounds made by a baby to another room
- baby's-tears — a mosslike plant, Soleirolia (or Helxine) soleirolii, of the nettle family, native to Corsica and Sardinia, having small, roundish leaves and minute flowers.
- baccalauréat — (esp in France) a school-leaving examination that qualifies the successful candidates for entrance to university
- bach trumpet — a modern small three-valved trumpet for playing clarino passages in Bach's music
- bachelorette — A bachelorette is a woman who has never married.
- back country — The back country is an area that is a long way from any city and has very few people living in it.
- back scatter — the deflection of nuclear particles or of radiation in a scattering process through an angle greater than 90°.
- back stretch — the straight part of a race track opposite the part leading to the finish line.
- backcourtman — any of the players stationed in the backcourt; a guard
- backstarting — a marketing technique in publishing, whereby new customers are sent back issues of magazines or journals as part of their subscription