12-letter words containing a, c, r, s
- avariciously — characterized by avarice; greedy; covetous.
- avascularity — the condition of having few blood vessels or of being without blood vessels
- aviculturist — A person who keeps and rears (breeds) birds.
- awe-stricken — filled with awe.
- axisymmetric — being symmetrical around an axis
- 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.
- bachelorship — the state of being a bachelor; bachelorhood
- back scatter — the deflection of nuclear particles or of radiation in a scattering process through an angle greater than 90°.
- back stretch — the straight part of a race track opposite the part leading to the finish line.
- back-slapper — the practice of making a loud and effusive display of friendliness, cordiality, etc., as by slapping persons on the back.
- backbenchers — Plural form of backbencher.
- backbreakers — Plural form of backbreaker.
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- backpressure — a resistant pressure exerted by liquid or gas against the forward motion or flow of an exhaust or pipe system: Careful control of backpressure ensures an even supply of oil from the well.
- backstarting — a marketing technique in publishing, whereby new customers are sent back issues of magazines or journals as part of their subscription
- backswimmers — Plural form of backswimmer.
- backswordman — a person who uses a backsword.
- backtrackers — Plural form of backtracker.
- backwardness — toward the back or rear.
- bacon-slicer — a machine for cutting bacon into slices
- bactericides — Plural form of bactericide.
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- bad scran to — bad luck to
- bag snatcher — a thief whose main tactic is to grab women's handbags and run off with them
- bald cypress — a tree, Taxodium distichum, of swampy areas of the southern U.S., having featherlike needles and cone-shaped projections growing up from the roots, yielding a hardwood used in construction, shipbuilding, etc.
- bandersnatch — a fictional creature created by Lewis Carroll in his poem Jabberwocky, and appearing also in The Hunting of the Snark and Through the Looking-Glass
- bank charges — penalties charged by a bank to a customer, for example when the customer's account is overdrawn or if a cheque is not honoured
- bankruptcies — Plural form of bankruptcy.
- barbecue set — a set of tools used for barbecuing
- barge course — the overhang of the gable end of a roof
- barodynamics — the branch of mechanics concerned with heavy structures
- barracks bag — a large bag containing a soldier's personal belongings and equipment
- basic salary — base pay.
- basidiocarps — Plural form of basidiocarp.
- basket chair — a chair made of wickerwork; a wicker chair
- basmati rice — a variety of long-grain rice with slender aromatic grains, used for savoury dishes
- beachcombers — Plural form of beachcomber.
- beaumarchais — Pierre Augustin Caron de (pjɛr oɡystɛ̃ karɔ̃ də). 1732–99, French dramatist, noted for his comedies The Barber of Seville (1775) and The Marriage of Figaro (1784)
- beggar-ticks — any of various plants, such as the bur marigold and tick trefoil, having fruits or seeds that cling to clothing, fur, etc
- benefactress — a female benefactor
- bicameralism — having two branches, chambers, or houses, as a legislative body.
- biscay green — a yellowish green.
- biscuit ware — unglazed earthenware
- bismarck sea — an arm of the Pacific Ocean north of New Britain and north-east of New Guinea
- black forest — wooded mountain region in SW Germany
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black papers — unofficial papers criticizing government policy
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- black spruce — a coniferous tree, Picea mariana, of the northern regions of North America, growing mostly in cold bogs and having dark green needles
- black stream — a warm ocean current in the Pacific, flowing N along the E coast of Taiwan, NE along the E coast of Japan, and continuing in an easterly direction into the open Pacific.