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16-letter words containing o, b, t, a

  • bioenvironmental — pertaining to the environment of living organisms: Bioenvironmental engineers seek to reduce air and water pollution.
  • biofortification — the process of breeding staple crops to have higher levels of essential nutrients, either through selective breeding or genetic modification: iron biofortification of rice; biofortification of wheat with zinc.
  • biomagnification — biological magnification.
  • biotechnological — Biotechnological means relating to biotechnology.
  • biotic potential — the capacity of a population of organisms to increase in numbers under optimum environmental conditions.
  • birthday honours — (in Britain) honorary titles conferred on the official birthday of the sovereign
  • birthwort family — the plant family Aristolochiaceae, typified by mostly tropical woody vines and herbaceous plants, having alternate, heart-shaped leaves and flowers lacking true petals but having three petallike sepals, and including the birthwort, Dutchman's-pipe, and wild ginger.
  • bite one's nails — to chew off the ends of one's fingernails
  • bitterroot range — range of the Rocky Mountains, along the Ida.-Mont. border: highest peak, c. 11,000 ft (3,353 m)
  • black bottom pie — a rich pie with a rum- or whiskey-flavored chocolate filling, often with a crust of crushed gingersnaps, and topped with whipped cream.
  • blink comparator — an optical instrument used to detect small differences in two photographs of the same field or object by viewing them alternately, switching rapidly from one to the other.
  • block and tackle — a hoisting device in which a rope or chain is passed around a pair of blocks containing one or more pulleys. The upper block is secured overhead and the lower block supports the load, the effort being applied to the free end of the rope or chain
  • blow one's stack — to lose one's temper; fly into a rage
  • board and batten — a siding consisting of wide boards or of sheets of plywood set vertically with butt joints covered by battens.
  • boatswain's mate — a job classification in the US navy
  • boatswain's pipe — a whistle used formerly to give orders on board ship
  • bomb calorimeter — a device for determining heats of combustion by igniting a sample in a high pressure of oxygen in a sealed vessel and measuring the resulting rise in temperature: used for measuring the calorific value of foods
  • bonneville flats — an area of salt flats in the W part of Great Salt Lake Desert, in NW Utah: site of automobile speed tests.
  • book of the dead — in ancient Egypt, a book of prayers and charms meant to help the soul in the afterworld
  • boolean-operator — any operation in which each of the operands and the result take one of two values.
  • bootstrap loader — (operating system)   A short program loaded from non-volatile storage and used to bootstrap a computer. On early computers great efforts were expended on making the bootstrap loader short, in order to make it easy to toggle in via the front panel switches. It was just clever enough to read in a slightly more complex program (usually from punched cards or paper tape), to which it handed control. This program in turn read the application or operating system from a magnetic tape drive or disk drive. Thus, in successive steps, the computer "pulled itself up by its bootstraps" to a useful operating state. Nowadays the bootstrap loader is usually found in ROM or EPROM, and reads the first stage in from a fixed location on the disk, called the "boot block". When this program gains control, it is powerful enough to load the actual OS and hand control over to it. A diskless workstation can use bootp to load its OS from the network.
  • bootstrap memory — memory that allows new programs to be entered because some simple preliminary instructions or information are already built in.
  • bordeaux mixture — a fungicide consisting of a solution of equal quantities of copper sulphate and quicklime
  • boston cream pie — a cake of two layers with icing and a creamy filling
  • boston tea party — a raid in 1773 made by citizens of Boston (disguised as Indians) on three British ships in the harbour as a protest against taxes on tea and the monopoly given to the East India Company. The contents of several hundred chests of tea were dumped into the harbour
  • botanical garden — a place where collections of plants and trees are kept for scientific study and exhibition
  • bouillotte table — a small round table of the 18th century, having around its top a gallery within which a bouchon could be set for the playing of card games.
  • boundary dispute — dispute between neighbours about the boundary between their properties
  • bouquet larkspur — a plant, Delphinium grandiflorum, of eastern Asia, having blue or whitish flowers and hairy fruit.
  • bracknell forest — a unitary authority in SE England, in E Berkshire. Pop: 110 100 (2003 est). Area: 109 sq km (42 sq miles)
  • branchiopneustic — breathing by means of gills, as certain aquatic insect larvae.
  • break one's fast — to eat food for the first time after fasting, or for the first time in the day
  • break the record — surpass previous highest, best
  • break-even point — When a company reaches break-even point, the money it makes from the sale of goods or services is just enough to cover the cost of supplying those goods or services, but not enough to make a profit.
  • brick-and-mortar — pertaining to conventional stores, businesses, etc., having physical buildings and facilities, as opposed to Internet or remote services.
  • bring to bear on — to cause to have an effect on
  • british columbia — a province of W Canada, on the Pacific coast: largely mountainous with extensive forests, rich mineral resources, and important fisheries. Capital: Victoria. Pop: 4 400 057 (2011 est). Area: 930 532 sq km (359 279 sq miles)
  • british honduras — Belize
  • british longhair — a breed of large cat with a semi-long thick soft coat
  • broadloom carpet — any carpet woven on a wide loom and not having seams, especially one wider than 54 inches (137 cm).
  • bronchial asthma — asthma.
  • brood parasitism — a type of parasitism in which a bird (brood parasite), as a cowbird or European cuckoo, lays and abandons its eggs in the nest of another species
  • brother jonathan — the United States or its people: predecessor of Uncle Sam
  • buckthorn family — the plant family Rhamnaceae, characterized by shrubs and trees having alternate, simple leaves, clusters of small flowers, and fruit in the form of a drupe or capsule, and including the buckthorn, cascara, and New Jersey tea.
  • bundled software — software sold as part of a package with computers or other hardware or software
  • burkitt lymphoma — a rare type of tumour of the white blood cells, occurring mainly in Africa and associated with infection by Epstein-Barr virus
  • business account — a bank account or type of bank account used for business transactions rather than personal ones
  • butenedioic acid — either of two geometrical isomers with the formula HOOCCH:CHCOOH
  • butterfly ballot — a ballot paper in the form of two leaves extending from a central spine
  • button snakeroot — blazing star (sense 1)
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