12-letter words containing a, b, o, h
- beach-comber — a person who lives by gathering salable articles of jetsam, refuse, etc., from beaches.
- beachcombers — Plural form of beachcomber.
- beachcombing — The action of a beachcomber.
- beacon light — a light signal for shipping
- bean-shooter — peashooter.
- beaver cloth — beaver1 (def 8).
- behaviorally — manner of behaving or acting.
- 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.
- betanaphthol — a colorless, crystalline isomer of naphthol, C10H8O, used as an antiseptic and parasiticide
- beyond reach — inaccessible
- bibliography — A bibliography is a list of books on a particular subject.
- bibliophobia — an aversion to books
- bibliothecal — relating to a bibliotheca
- biogeography — the branch of biology concerned with the geographical distribution of plants and animals
- biographical — Biographical facts, notes, or details are concerned with the events in someone's life.
- biohazardous — a pathogen, especially one used in or produced by biological research.
- biomechanics — the study of the mechanics of the movement of living organisms
- biotechnical — relating to biotechnology
- birthday boy — the boy or man whose birthday is being celebrated
- bishop's-cap — any of a genus (Mitella) of small woodland plants of the saxifrage family, with two-lobed seedcases shaped like a bishop's hat
- blabbermouth — a person who talks too much or indiscreetly
- black cohosh — a plant of the ranunculaceous family, Cimicifuga racemosa, which is used as a natural alternative to hormone replacement therapy
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- blastosphere — blastula
- blennorrhoea — an excessive discharge of watery mucus, esp from the urethra or the vagina
- bletheration — nonsense!
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- boar-hunting — the practice of hunting wild boars
- board school — (formerly) a school managed by a board elected by local ratepayers
- board shorts — shorts with longer legs, originally meant to protect a surfer's legs against the surfboard
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.
- bog asphodel — either of two liliaceous plants, Narthecium ossifragum of Europe or N. americanum of North America, that grow in boggy places and have small yellow flowers and grasslike leaves
- boghead coal — compact bituminous coal that burns brightly and yields large quantities of tar and oil upon distillation.
- bombay hills — a row of hills marking the southern boundary of greater Auckland on the North Island, New Zealand
- bond washing — a series of deals in bonds made with the intention of avoiding taxation
- bonne chance — good luck
- book matches — safety matches made of paper and fastened into a small cardboard folder
- borough hall — a building housing the administrative offices of a borough.
- bothy ballad — a folk song, esp one from the farming community of NE Scotland
- bottlewasher — a person or machine that washes bottles.
- bounce flash — a flash lamp designed to produce a bounced flash.
- bound charge — any electric charge that is bound to an atom or molecule (opposed to free charge).
- boxing match — a competition between two boxers
- brachycerous — (of insects) having short antennae
- branch depot — one of a several depots receiving stock from the same central supplier
- branch point — Electricity. a point in an electric network at which three or more conductors meet.
- breakthrough — A breakthrough is an important development or achievement.
- breastplough — a plough driven by the worker's breast, often used to pare turf
- breath group — a sequence of sounds articulated in the course of a single exhalation; an utterance or part of an utterance produced between pauses for breath.
- breechloader — any gun loaded at the breech