12-letter words containing a, b, o, r
- appropriable — that can be appropriated
- arachnophobe — a person who is afraid of spiders
- 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.
- 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).
- area bombing — aerial bombing in which bombs are dropped over the general area of a target.
- armourbearer — One who carries armor for another.
- 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.
- 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
- 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)
- attributions — Plural form of attribution.
- authorizable — able to be authorized
- baby brother — a younger brother
- baby monitor — a device that transmits sounds made by a baby to another room
- baby-bouncer — a seat on springs suspended from a door frame, etc, in which a baby may be placed for exercise
- bachelor pad — a flat in which a bachelor lives
- bachelorette — A bachelorette is a woman who has never married.
- bachelorhood — the state of being a bachelor.
- bachelorship — the state of being a bachelor; bachelorhood
- back country — The back country is an area that is a long way from any city and has very few people living in it.
- backcourtman — any of the players stationed in the backcourt; a guard
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- backgrounded — Simple past tense and past participle of background.
- backgrounder — A backgrounder is a short article in a newspaper or magazine that provides background information about a particular subject.
- backroom boy — You can refer to a man as a backroom boy when he does important work in an organization and has good ideas but is not seen or known about by the public.
- backswordman — a person who uses a backsword.
- bacon-slicer — a machine for cutting bacon into slices
- bacteriocide — Alternative form of bactericide.
- bacteriology — Bacteriology is the science and the study of bacteria.
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- bad scran to — bad luck to
- baffle board — a plate or mechanical device designed to restrain or regulate the flow of a fluid, the emission of light or sound, or the distribution of sound, esp in a loudspeaker or microphone
- bagworm moth — any moth of the family Psychidae
- baker's oven — an oven used esp for baking bread
- ball control — the skill of controlling the ball in a game such as football or tennis
- ball of fire — a very lively person
- ballad opera — an opera consisting of popular tunes to which appropriate words have been set, interspersed with spoken dialogue
- balladmonger — (formerly) a seller of ballads, esp on broadsheets
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- balloon tyre — a pneumatic tyre containing air at a relatively low pressure and having a wide tread
- ballot paper — A ballot paper is a piece of paper on which you indicate your choice or opinion in an election or ballot.
- banderillero — a bullfighter's assistant who sticks banderillas into the bull
- bank robbery — theft from a bank