16-letter words containing r, a, b, i, u
- fibonacci number — a number in the Fibonacci sequence, each of which is the sum of the previous two
- filterable virus — a virus particle small enough to pass through a filter of diatomaceous earth or porcelain, which will not pass bacteria: chiefly historical or an informal indicator of size, as synthetic membrane filters now permit passage of the smallest virus.
- fish or cut bait — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
- four-deal bridge — a version of bridge in which four hands only are played, the players then cutting for new partners
- four-masted brig — jackass bark (def 2).
- gingerbread plum — a tree, Neocarya macrophylla, of western Africa, bearing a large, edible, starchy fruit.
- hairbrush cactus — a stout, spiny cactus, Pachycereus pecten-aboriginum, of Mexico, having white flowers and bristly fruits sometimes used locally as combs.
- hawksbill turtle — a sea turtle, Eretmochelys imbricata, the shell of which is the source of tortoise shell: an endangered species.
- hybrid perpetual — a type of cultivated rose bred from varieties having vigorous growth and more or less recurrent bloom.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- imaginary number — Also called imaginary, pure imaginary number. a complex number having its real part equal to zero.
- immeasurableness — The state or condition of being immeasurable.
- imperturbability — incapable of being upset or agitated; not easily excited; calm: imperturbable composure.
- in a brown study — in a reverie or daydream
- inboard-outboard — Also, outdrive, stern-drive. (of a motorboat) having an inboard engine connected to a maneuverable outboard drive-shaft unit.
- incommensurables — Plural form of incommensurable.
- insufferableness — The state of being insufferable.
- insurance broker — person who sells insurance policies
- interbehavioural — relating to or involving interbehaviour
- invulnerableness — The quality of being invulnerable.
- khakass republic — a constituent republic of S central Russia, formerly in Krasnoyarsk Territory: formed in 1930. Capital: Abakan. Pop: 546 100 (2002). Area: 61 900 sq km (23 855 sq miles)
- labour relations — Labour relations refers to the relationship between employers and employees in industry, and the political decisions and laws that affect it.
- labour-intensive — Labour-intensive industries or methods of making things involve a lot of workers. Compare capital-intensive.
- language barrier — difficulty in communication due to language difference
- lean-burn engine — an engine designed to use a lean mixture of fuel and air in order to reduce petrol consumption and exhaust emissions
- liberal unionist — a Liberal who opposed Gladstone's policy of Irish Home Rule in 1886 and after
- library pictures — a caption used to alert viewers that footage being broadcast is from an earlier time and is not happening now
- like gangbusters — a law-enforcement officer who specializes in breaking up organized crime, often by forceful or sensational means.
- lumberjack shirt — a thick checked shirt, as worn by lumberjacks
- mari el republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Yoshkar-Ola. Pop: 728 000 (2002). Area: 23 200 sq km (8955 sq miles)
- martin van buren — Martin, 1782–1862, 8th president of the U.S. 1837–41.
- mountain climber — someone who climbs or walks up mountains
- multi-way branch — switch statement
- multituberculate — a rodentlike mammal of the extinct order Multituberculata, which lived from the late Jurassic Period to the Oligocene Epoch, reaching the size of a woodchuck and having molars with two or three rows of simple pointed cusps.
- murasaki shikibu — Lady, 978?–1031? Japanese poet and novelist.
- nash equilibrium — (in game theory) a stable state of a system involving the interaction of two or more players in which no player can gain by a unilateral change of strategy if the strategies of the other players remain unchanged
- nitrous bacteria — bacteria that convert ammonia to nitrites in the soil
- non-attributable — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- non-bureaucratic — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
- norwegian buhund — a slightly-built medium-sized dog of a breed with erect pointed ears and a short thick tail carried curled over its back
- oblique triangle — any triangle that does not have a right angle (contrasted with right triangle).
- operating budget — money allocated to a project
- ordinary jubilee — the celebration of any of certain anniversaries, as the twenty-fifth (silver jubilee) fiftieth (golden jubilee) or sixtieth or seventy-fifth (diamond jubilee)
- organized labour — labour carried out by workers in trade unions, or the workers themselves
- outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
- overurbanization — the act or fact of urbanizing, or taking on the characteristics of a city: Urbanization has led to more air pollution and increasing childhood asthma.
- oxidation number — the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion.
- paint-by-numbers — formulaic; showing no original thought or creativity
- paratuberculosis — Johne's disease.
- pietermaritzburg — a province in the E part of the Republic of South Africa. 35,284 sq. mi. (91,886 sq. km). Capital: Pietermaritzburg.