17-letter words containing o, n, a, c, l
- back on the rails — If something is back on the rails, it is beginning to be successful again after a period when it almost failed.
- bacon's rebellion — an unsuccessful uprising by frontiersmen in Virginia in 1676, led by Nathaniel Bacon against the colonial government in Jamestown.
- balance of nature — the stable state in which natural communities of animals and plants exist, maintained by adaptation, competition, and other interactions between members of the communit ies and their nonliving environment
- balance of terror — military deterrence based on the possession of weapons of mass destruction by opponents in a conflict
- balance the books — do accounting
- bald-faced hornet — any large, stinging paper wasp of the family Vespidae, as Vespa crabro (giant hornet) introduced into the U.S. from Europe, or Vespula maculata (bald-faced hornet or white-faced hornet) of North America.
- binet-simon scale — a test comprising questions and tasks, used to determine the mental age of subjects, usually children
- binocular rivalry — the phenomenon whereby one is unable to see simultaneously different images presented one to each eye; usually in some areas of the eye the image presented to the left eye is seen, in others that presented to the right eye
- biological parent — a parent who has conceived (biological mother) or sired (biological father) rather than adopted a child and whose genes are therefore transmitted to the child.
- biological weapon — a weapon which uses a biological agent to harm people and other living organisms
- black nationalism — a movement advocating the establishment of a separate black nation within the U.S.
- black-box testing — functional testing
- blackboard jungle — a school or school system characterized by lack of discipline and by juvenile delinquency.
- blackout curtains — thick, lined curtains designed to shut out all daylight and keep a room in complete darkness
- bland-allison act — an act of Congress (1878) requiring the federal government to purchase at the market price from two to four million dollars' worth of silver monthly for conversion into silver dollars containing 16 times more silver per coin than gold in dollar coins of gold.
- blind carbon copy — a duplicate of anything written or typed, or a copy of an email or other electronic document, that is sent to someone whose name is not visible to the primary addressee. Abbreviation: bcc.
- block association — an association for the residents of a particular block in a neighbourhood to discuss and act on matters of common concern
- blocking antibody — Immunology. an antibody that partly combines with an antigen and interferes with cell-mediated immunity, thereby preventing an allergic reaction.
- blow hot and cold — to vacillate
- bluegrass country — region in central Ky. where there is much bluegrass
- body center plate — one of a pair of plates that fit together and support the body of a car on a truck, while allowing the truck to rotate with respect to the body. One plate (body center plate) is attached to the underside of the car body and the other (truck center plate) is part of the car truck.
- bouncebackability — the ability to recover after a setback, esp in sport
- branch delay slot — delayed control-transfer
- british columbian — of or relating to British Columbia or its inhabitants
- brompton cocktail — an analgesic mixture, usually containing morphine and cocaine and sometimes other narcotic substances in an alcohol solution, administered primarily to advanced cancer patients.
- budgetary control — a system of managing a business by applying a financial value to each forecast activity. Actual performance is subsequently compared with the estimates
- cage zone melting — zone melting of a square bar of the material to be purified, done so that the impurities are concentrated at the corners.
- calcium carbonate — a white crystalline salt occurring in limestone, chalk, marble, calcite, coral, and pearl: used in the production of lime and cement. Formula: CaCO3
- calcium gluconate — a white, tasteless, water-soluble powder, CaC 12 H 22 O 14 , used as a dietary supplement to provide calcium.
- california condor — either of two large, New World vultures of the family Cathartidae, Gymnogyps californianus (California condor) or Vultur gryphus (Andean condor) the largest flying birds in the Western Hemisphere: the California condor is almost extinct; the Andean condor is greatly reduced in number and rare in many areas.
- california laurel — a Pacific coast shrub or tree (Umbellularia californica) of the laurel family, having aromatic evergreen leaves and hard wood; Oregon myrtle: a source of bay leaves
- california nutmeg — a tall, pungently aromatic California evergreen tree, Torreya californica, of the yew family, having a fissured, gray-brown bark and small, purple-streaked, green fruit.
- california privet — a privet, Ligustrum ovalifolium, of the olive family, native to Japan, having glossy, oval leaves and long clusters of white flowers, widely used for hedges in the U.S.
- call-and-response — a form of interaction between a speaker and one or more listeners, in which every utterance of the speaker elicits a verbal or non-verbal response from the listener or listeners
- calorie-conscious — aware of the calorie content of one's diet
- canadian football — a game resembling American football, played on a grass pitch between two teams of 12 players
- canarybird flower — a nasturtium, Tropaeolum peregrinum, of Peru, having round, deeply lobed leaves and yellow flowers.
- capital allowance — the practice of allowing a certain amount of money spent by a company on fixed assets to be taken off the profits of the company before tax is imposed
- capital formation — the net additions to a capital stock in an accounting period
- carbon disulphide — a colourless slightly soluble volatile flammable poisonous liquid commonly having a disagreeable odour due to the presence of impurities: used as an organic solvent and in the manufacture of rayon and carbon tetrachloride. Formula: CS2
- carbonyl chloride — phosgene
- carboxyhemoglobin — a compound formed in the blood when carbon monoxide occupies the positions on the hemoglobin molecule normally taken by oxygen, resulting in cellular oxygen starvation
- cardinal grosbeak — any of various mostly tropical American buntings, such as the cardinal and pyrrhuloxia, the males of which have brightly coloured plumage
- carolina allspice — any of a genus (Calycanthus) of hardy shrubs (family Calycanthaceae) of a dicotyledonous order (Laurales) of plants, bearing reddish-brown, sweet-smelling flowers
- carolina moonseed — a twining woody vine, Cocculus carolinus, of the southeastern U.S., having inconspicuous flowers and showy, red fruit.
- carolina parakeet — an extinct New World parakeet, Conuropsis carolinensis, that ranged into the northern U.S., having yellowish-green plumage with an orange-yellow head.
- castor and pollux — the twin sons of Leda: Pollux was fathered by Zeus, Castor by the mortal Tyndareus. After Castor's death, Pollux spent half his days with his half-brother in Hades and half with the gods in Olympus
- cat-o'-nine-tails — a rope whip consisting of nine knotted thongs, used formerly to flog prisoners
- cationic cocktail — (hardware) (Or "Downy cocktail") Diluted fabric softener sprayed on computer room carpets to prevent static electricity from being built up by feet shuffling on carpet. The canonical cationic cocktail is one part unscented liquid fabric softener (in the US, usually "Downy" brand) to five parts water. "Cationic" is the chemical term for the most common active ingredient in fabric softeners. The use of the term "cocktail" may be influenced by its use in other jargons, especially pharmacological and chemical, to denote a mixture which, like cationic cocktail, typically contains no alcohol and would be unwise to drink.
- celestial horizon — the line or circle that forms the apparent boundary between earth and sky.