13-letter words containing c, h, a
- balloon chuck — a lathe chuck having the form of a hollow hemisphere, for enclosing and holding small parts, as balance staffs of watches, so that only their ends are exposed.
- baltic shield — the wide area of ancient rock in Scandinavia
- barber's itch — any of various fungal infections of the bearded portion of the neck and face
- barrier beach — a sand ridge that rises slightly above the surface of the sea and runs roughly parallel to the shore, from which it is separated by a lagoon.
- base exchange — a nonprofit general store at a military base, for the sale of merchandise for personal use, refreshments, etc.
- basic english — a simplified form of English, proposed by C. K. Ogden and I. A. Richards, containing a vocabulary of approximately 850 of the commonest English words, intended as an international language
- batch-process — to perform batch processing on (files)
- bathtub curve — Common term for the curve (resembling an end-to-end section of one of those claw-footed antique bathtubs) that describes the expected failure rate of electronics with time: initially high, dropping to near 0 for most of the system's lifetime, then rising again as it "tires out". See also burn-in period, infant mortality.
- bathylimnetic — (of an organism) living in the depths of lakes and marshes
- batrachotoxin — a steroidal alkaloid, C31H42N2O6, found in the skin of certain Neotropical frogs (genus Phyllobates) and used on poison arrows: one of the most powerful natural neurotoxins known
- beached whale — large sea mammal stranded on shore
- beacon school — a notably successful school whose methods and practices are brought to the attention of the education service as a whole in order that they may be adopted by other schools
- beanbag chair — a chair like a large beanbag covered with vinyl, fabric, etc. and filled with foam pellets, as of polystyrene, that shift about to fit one's body
- bear's-breech — a widely cultivated S European acanthus plant, Acanthus mollis, having whitish purple-veined flowers
- bearer cheque — a cheque payable to the person who has it
- behavioristic — the theory or doctrine that human or animal psychology can be accurately studied only through the examination and analysis of objectively observable and quantifiable behavioral events, in contrast with subjective mental states.
- bell purchase — a tackle consisting of two standing single blocks, two running single blocks, a fall, and a runner, so arranged that it gives a mechanical advantage of six, neglecting friction.
- bench warrant — a warrant issued by a judge or court directing that an offender be apprehended
- benefit match — a sports match organized to raise money for charity, or for a particular player
- benthopelagic — relating to species living at the bottom of the sea
- berbice chair — large armchair with long arms that can be folded inwards to act as leg rests
- berchtesgaden — a town in Germany, in SE Bavaria: site of the fortified mountain retreat of Adolf Hitler. Pop: 7667 (2003 est)
- bibliographic — a complete or selective list of works compiled upon some common principle, as authorship, subject, place of publication, or printer.
- bibliothecary — a librarian
- bicycle chain — a chain that transmits power from the pedals to the driving wheel of a bicycle
- big enchilada — enchilada (def 2).
- binary search — (algorithm) A search algorithm which repeatedly divides an ordered search space in half according to how the required (key) value compares with the middle element. The following pseudo-C routine performs a binary search return the index of the element of vector "thing[first..last]" equal to "target": if (target < thing[first] || target > thing[last]) return NOT_FOUND; while (first < last) { mid = (first+last)/2; /* truncate to integer */ if (target == thing[mid]) return mid; if (target < thing[mid]) last = mid-1; else first = mid+1; } if (target == thing[last]) return last; return NOT_FOUND; (2003-01-14)
- biochemically — the science dealing with the chemistry of living matter.
- biomechanical — relating to biomechanics
- biphasic pill — a drug with two dosage levels over the period taken, as an oral contraceptive.
- bird-watching — Bird-watching is the activity of watching and studying wild birds in their natural surroundings.
- birthday cake — a special cake eaten at a birthday party
- birthday card — a greeting card sent on someone's birthday
- black english — the group of related dialects of American English spoken variously by many black people in the U.S.
- black hickory — a species of smooth-barked hickory, Carya tomentosa, with fragrant foliage that turns bright yellow in autumn
- black panther — (in the US) a member of a militant Black political party (1965–82) founded to end the political dominance of White people
- black-hearted — evil, malicious, or wicked
- blacksmithing — the work of a blacksmith.
- blanchisseuse — a washer-woman
- blanket chest — a chest, with or without drawers, having a rectangular space under a lifting lid or top, used for storing blankets, bedding, or clothing.
- blood alcohol — alcohol that is circulating in the blood
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- bois de vache — dried buffalo dung, used as fuel by Canadian and U.S. fur trappers in the 18th and 19th centuries.
- bounced flash — a flash bounced off a reflective surface, as a ceiling or wall, to illuminate a subject indirectly.
- bowling match — a game of bowls
- boynton beach — a city in SE Florida.
- brachiosaurus — a dinosaur of the genus Brachiosaurus, up to 30 metres long: the largest land animal ever known
- brachycranial — brachycephalic
- brachydactyly — abnormal shortness of the fingers and toes.
- brachypterous — having very short or incompletely developed wings