15-letter words containing a, l, o, t
- biot-savart law — the law that the magnetic induction near a long, straight conductor, as wire, varies inversely as the distance from the conductor and directly as the intensity of the current in the conductor.
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black guillemot — a common guillemot, Cepphus grylle: its summer plumage is black with white wing patches and its winter plumage white with greyish wings
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- black operation — a covert and undocumented military operation
- black snakeroot — a tall bugbane, Cimicifuga racemosa, of the buttercup family, of eastern North America, having thin, tapering, toothed or deeply cut leaflets and branched clusters of small, white flowers.
- blast injection — the injection of liquid fuel directly into the cylinder of an internal-combustion engine using a blast of high-pressure air to atomize the spray of fuel
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blue cattle dog — an Australian breed of dog with a bluish coat, developed for herding cattle
- blue wood aster — a composite plant, Aster cordifolius, of North America, having heart-shaped leaves and pale-blue flowers.
- bo diddley beat — a type of syncopated Black rhythm, frequently used in rock music
- board of health — an agency with responsibility for health in state, country, etc
- boating holiday — a holiday spent sailing or travelling in a canal boat, cruiser, etc
- boil-in-the-bag — (of food) able to be boiled in a sealed bag until ready to eat
- boiled potatoes — potatoes, usually peeled, cooked in boiling water
- bouillotte lamp — a table lamp of the 18th century, having two or three adjustable candle brackets and a common shade sliding on a central shaft.
- bowel complaint — bowel disease or condition
- break the mould — If you say that someone breaks the mould, you mean that they do completely different things from what has been done before or from what is usually done.
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- bronchial tubes — the bronchi or their smaller divisions
- brown-tail moth — a white moth, Nygmia phaerrhoea, having a brown tuft at the end of the abdomen, the larvae of which feed on the foliage of various shade and fruit trees.
- bucket elevator — a chain of buckets for raising liquids or materials to a higher level
- buffalo currant — an ornamental shrub, Ribes odoratum, of the central U.S., having showy, drooping clusters of fragrant yellow flowers and edible black fruit.
- bullock's heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- bullock's-heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- buys-ballot law — the law stating that if one stands with one's back to the wind, in the Northern Hemisphere the atmospheric pressure will be lower on one's left and in the Southern Hemisphere it will be lower on one's right: descriptive of the relationship of horizontal winds to atmospheric pressure.
- by all accounts — according to everyone
- calamine lotion — a soothing lotion containing calamine
- calcareous tufa — tufa
- calcium oxalate — a white, crystalline powder, CaC 2 O 4 , insoluble in water, used in making oxalic acid.
- caldecott award — an annual award in the U.S. for an outstanding illustrated juvenile book.
- calendarization — the process of calendarizing
- call into being — to create
- call to account — to insist on explanation
- call-out charge — a set amount charged for a repairman to come to one's house, or to a broken-down vehicle, which is added to the cost of the actual repair
- calydonian hunt — the pursuit by Meleager, Atalanta, and others of a savage boar (Calydonian boar) sent by Artemis to lay waste to Calydon.
- camelot library — (library)
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- cannibalisation — Alternative form of cannibalization.
- cannibalization — to subject to cannibalism.
- cannonball tree — a South American tree, Couroupita guianensis, bearing round, woody-husked fruit whose shells are used to make containers and utensils.
- cannot help but — to be unable to do anything else except
- capillarization — The formation and development of a network of capillaries to a part of the body; it is increased by aerobic exercise.
- capital account — A country's capital account is the part of its balance of payments that is concerned with the movement of capital.
- capital offence — a crime for which the death penalty is used
- capitalizations — Plural form of capitalization.
- capitulationism — advocacy or approval of capitulation.
- capitulationist — advocacy or approval of capitulation.
- cardinal points — the four main points of the compass: north, south, east, and west