12-letter words containing a, l, e, o
- bachelorship — the state of being a bachelor; bachelorhood
- backboneless — lacking backbone; cowardly
- bacon-slicer — a machine for cutting bacon into slices
- bacteriology — Bacteriology is the science and the study of bacteria.
- baden-powell — Robert Stephenson Smyth (smɪθ, smaɪθ), 1st Baron Baden-Powell. 1857–1941, British general, noted for his defence of Mafeking (1899–1900) in the Boer War; founder of the Boy Scouts (1908) and (with his sister Agnes) the Girl Guides (1910)
- 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
- baklava code — (humour, programming) Code with too many layers. Also known as Lasagne Code.
- 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
- balletomanes — Plural form of balletomane.
- balletomania — passionate enthusiasm for ballet
- balloon seat — (on some 18th-century chairs) a seat having an outline resembling that of a bell.
- 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
- balloon vine — a tropical tendril-climbing sapindaceous plant, Cardiospermum halicacabum, cultivated for its ornamental balloon-like seed capsules
- ballot paper — A ballot paper is a piece of paper on which you indicate your choice or opinion in an election or ballot.
- ballottement — a technique of feeling for a movable object in the body, esp confirmation of pregnancy by feeling the rebound of the fetus following a quick digital tap on the wall of the uterus
- balsamaceous — any of various fragrant exudations from certain trees, especially trees of the genus Commiphora, as balm-of-Gilead. Compare balm (def 1).
- banderillero — a bullfighter's assistant who sticks banderillas into the bull
- banner cloud — a plume-shaped cloud extending downwind from an isolated mountain peak. Also called cloud banner. Compare cap cloud (def 1).
- 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
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- barrel organ — A barrel organ is a large machine that plays music when you turn the handle on the side. Barrel organs used to be played in the street to entertain people.
- base bullion — smelted lead containing impurities, as gold, silver, or zinc, that are later removed.
- bastel house — (on the Anglo-Scottish border) a partly fortified house, usually with a vaulted ground floor.
- battle group — a group of warships usually consisting of at least one aircraft carrier, other surface ships, submarines, landing craft, etc
- battle royal — a fight, esp with fists or cudgels, involving more than two combatants; melee
- battle wagon — a battleship.
- battlefronts — Plural form of battlefront.
- battleground — A battleground is the same as a battlefield.
- battlewagons — Plural form of battlewagon.
- battleworthy — capable of engaging in combat; ready for battle: a decline in the nation's battleworthy forces.
- bayonet bulb — an electric light bulb which is inserted into the socket against spring pressure and turned so that pins on its side engage in slots in the socket
- be at a loss — If you say that you are at a loss, you mean that you do not know what to do in a particular situation.
- be on a roll — to have a series of successes; go from success to success
- beacon light — a light signal for shipping
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- bead molding — bead (def 12).
- beauty salon — A beauty salon is the same as a beauty parlour.
- beaver cloth — beaver1 (def 8).
- bed of nails — a situation or position of extreme difficulty
- beer parlour — a room in a tavern, hotel, etc in which beer is served
- behaviorally — manner of behaving or acting.
- belleau wood — a forest in N France: site of a battle (1918) in which the US Marines halted a German advance on Paris
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- benzal group — the bivalent group C 7 H 6 –, derived from benzaldehyde.
- beta blocker — A beta blocker is a drug which is used to treat people who have high blood pressure or heart problems.
- beta-blocker — any of various substances that interfere with the action of the beta receptors: used primarily to reduce the heart rate or force in the prevention, management, or treatment of angina, hypertension, or arrythmias.