12-letter words containing e, u, r, o
- atheromatous — a sebaceous cyst.
- atmospherium — an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
- 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)
- au contraire — on the contrary
- auctioneered — Simple past tense and past participle of auctioneer.
- auger shower — a shower of electrons, photons, etc. resulting from the collision of primary cosmic rays with atomic nuclei in the atmosphere
- auroral zone — the region surrounding the north or south geomagnetic pole in which the auroral phenomena take place.
- austronesian — of or relating to Austronesia, its peoples, or their languages
- authorizable — able to be authorized
- auto-erotism — the arousal and satisfaction of sexual excitement within or by oneself, as by masturbation.
- autoanalyzer — any of various automatic devices that test and analyze chemicals, blood, etc.
- autochangers — Plural form of autochanger.
- autocritique — the examination of factors guiding one's thoughts, beliefs and actions; self-criticism
- autodestruct — likely to or possessing the power to destroy or obliterate itself or its possessor
- autodiallers — Plural form of autodialler.
- autoexposure — A device that sets the exposure automatically on a camera or other piece of equipment.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- autoreactive — (immunology, medicine) Acting against the organism by which it was produced.
- averruncator — a long pair of shears used for pruning the higher branches of trees
- baby-bouncer — a seat on springs suspended from a door frame, etc, in which a baby may be placed for exercise
- 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.
- banner cloud — a plume-shaped cloud extending downwind from an isolated mountain peak. Also called cloud banner. Compare cap cloud (def 1).
- banquet room — A banquet room is a room in a hotel where large formal meals for many people can be held.
- barcalounger — a type of reclinable armchair with an extendable footrest
- barge couple — either of a pair of outside rafters along the gable end of a roof
- barge course — the overhang of the gable end of a roof
- barium oxide — a white or yellowish-white poisonous heavy powder used esp as a dehydrating agent. Formula: BaO
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- battle group — a group of warships usually consisting of at least one aircraft carrier, other surface ships, submarines, landing craft, etc
- battleground — A battleground is the same as a battlefield.
- be queer for — to have a strong liking for; be obsessed with
- bean counter — You can describe people such as accountants and business managers as bean counters if you disapprove of them because you think they are only interested in money.
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- beardtongues — Plural form of beardtongue.
- beaufort sea — part of the Arctic Ocean off the N coast of North America
- beer parlour — a room in a tavern, hotel, etc in which beer is served
- behaviourism — Behaviourism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- below ground — If something is below ground or below the ground, it is in the ground.
- benzal group — the bivalent group C 7 H 6 –, derived from benzaldehyde.
- benzyl group — the univalent group C 7 H 7 –, derived from toluene.
- beurre fondu — melted butter.
- bio-security — the precautions taken to protect against the spread of lethal or harmful organisms and diseases
- biomolecular — relating to a biomolecule
- blabbermouth — a person who talks too much or indiscreetly
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- bloodcurdler — something causing great fright or horror: a bloodcurdler of a mystery novel.
- blue norther — a cold north wind that brings rapidly falling temperatures.
- blue pointer — a large shark, Isuropsis mako, of Australian coastal waters, having a blue back and pointed snout
- blue succory — a composite garden plant, Catananche caerulea, of southern Europe, having very hairy leaves and blue flower heads, used by the ancients as a love potion.