15-letter words containing u, l, s
- aurora borealis — the aurora seen around the North Pole
- australian alps — a mountain range in SE Australia, in E Victoria and SE New South Wales. Highest peak: Mount Kosciuszko, 2195 m (7316 ft)
- australian mist — a breed of medium-sized cat with a short spotted or marbled coat
- australian pine — casuarina
- autocannibalism — The eating of part of one's own body.
- autofluorescent — Of, pertaining to, or exhibiting autofluorescence.
- autotransplants — Plural form of autotransplant.
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- bathurst island — an island off the coast of N Nunavut, Canada, in the Arctic Archipelago: present south of the North Magnetic Pole nearby. 7609 sq. mi. (19,707 sq. km).
- be just as well — If you say that something that has happened is just as well, you mean that it is fortunate that it happened in the way it did.
- be lost without — If you say that you would be lost without someone or something, you mean that you would be unhappy or unable to work properly without them.
- beat oneself up — to reproach oneself
- beginner's luck — the initial good fortune or success commonly supposed to come to a person who has recently taken up a new pursuit, as a sport or game: Catching a large trout the first time you go fishing is simply beginner's luck.
- bessel function — one of several transcendental functions, usually represented as power series, that are solutions to a group of related differential equations.
- biodestructible — biodegradable
- bioluminescence — the production of light by living organisms as a result of the oxidation of a light-producing substance (luciferin) by the enzyme luciferase: occurs in many marine organisms, insects such as the firefly, etc
- bishop auckland — a town in N England, in central Durham: seat of the bishops of Durham since the 12th century: light industries. Pop: 24 764 (2001)
- biting housefly — a two-winged fly, Stomoxys calcitrans, having the mouthparts adapted for biting, and commonly a household and stable pest.
- 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 mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- blackberry bush — a bush on which blackberries grow
- blasphemousness — the quality of being blasphemous
- blindman's buff — a game in which a blindfolded player has to catch and identify another player
- blood corpuscle — one of the cells in the blood
- bloodguiltiness — guilty of murder or bloodshed.
- bloody butchers — a hardy plant, Trillium sessile, common from New York to Georgia and westward, having stalkless, purple or green flowers.
- blue wood aster — a composite plant, Aster cordifolius, of North America, having heart-shaped leaves and pale-blue flowers.
- blue-eyed grass — any of various mainly North American iridaceous marsh plants of the genus Sisyrinchium that have grasslike leaves and small flat starlike blue flowers
- blueback salmon — sockeye salmon.
- bluegrass state — Kentucky (used as a nickname).
- bologna sausage — a large smoked sausage made of seasoned mixed meats
- boom-bust cycle — A boom-bust cycle is a series of events in which a rapid increase in business activity in the economy is followed by a rapid decrease in business activity, and this process is repeated again and again.
- borough-english — (until 1925) a custom in certain English boroughs whereby the youngest son inherited land to the exclusion of his older brothers
- brachial plexus — a network of nerves in the armpits and neck, innervating the shoulders, arms, and hands.
- branching rules — rules that are used to break down a complex problem into several smaller problems
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- bronchial tubes — the bronchi or their smaller divisions
- brunner's gland — any of the glands in the submucosal layer of the duodenum, secreting an alkaline fluid into the small intestine.
- brussels carpet — a worsted carpet with a heavy pile formed by uncut loops of wool on a linen warp
- brussels sprout — Brussels sprouts are vegetables that look like tiny cabbages.
- buffalo soldier — (formerly, especially among American Indians) a black soldier.
- buffer solution — a solution to which a salt of a weak acid or base has been added
- bug fix release — (programming) A release which introduces no new features, but which merely aims to fix bugs in previous releases. All too commonly new bugs are introduced at the same time.
- building trades — the trades and professions concerned with the creation and finishing of buildings, such as carpenters, plasterers, masons, electricians, etc.
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- bullnose header — bull header (def 1).
- bullnose-header — Also called bullnose header. a brick having one of the edges across its width rounded for laying as a header in a sill or the like.
- 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.