12-letter words containing r, a, b
- antwerp blue — any of several iron-blue pigments, usually containing a considerable amount of extender.
- apeirophobia — The fear of infinity and/or of infinite things.
- apostle bird — a gregarious grey-and-brown Australian nest-building bird, Struthidea cinerea
- apple brandy — an alcoholic liquor made with apples
- apple butter — a jam made from stewed spiced apples
- approachable — If you describe someone as approachable, you think that they are friendly and easy to talk to.
- approbations — approval; commendation.
- appropriable — that can be appropriated
- arabia felix — an ancient division of Arabia, in the S part: sometimes restricted to Yemen.
- arabian gulf — an arm of the Arabian Sea, between SW Iran and Arabia. 600 miles (965 km) long.
- arabica bean — a high-quality coffee bean, obtained from the tree Coffea arabica
- arachnophobe — a person who is afraid of spiders
- aramid fiber — a fiber having resistance to high temperatures and great strength, formed from an aramid and used in materials for bulletproof vests and radial tires.
- 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.
- arborescence — treelike in size and form.
- arborio rice — variety of round-grain rice used for making risotto
- 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.
- area bombing — aerial bombing in which bombs are dropped over the general area of a target.
- argle-bargle — argy-bargy
- armourbearer — One who carries armor for another.
- around about — Around about means approximately.
- arousability — to stimulate sexually.
- arquebusiers — harquebusier.
- 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.
- ashurbanipal — died ?626 bc, king of Assyria (?668–?626): son of Esarhaddon. He built the magnificent palace and library at Nineveh
- ass-backward — the wrong way round; back to front; in the opposite order to what is considered normal
- assbackwards — in an order or way reverse from the usual: You've sewn the sleeve on assbackwards.
- assurbanipal — Ashurbanipal
- 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
- axel heiberg — the largest island belonging to the Sverdrup group in the Canadian Northwest Territories. 15,779 sq. mi. (40,868 sq. km).
- axillary bud — a bud that is borne at the axil of a leaf and is capable of developing into a branch shoot or flower cluster.
- 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.
- baba au rhum — a light cake raised with yeast, containing raisins and dried fruits and soaked in a rum syrup
- babe-in-arms — a young baby that has to be carried
- baby brother — a younger brother
- baby carrier — a kind of sling or rucksack used to carry small babies either on one's chest or one's back
- baby monitor — a device that transmits sounds made by a baby to another room