16-letter words containing a, b, u, r
- distributive law — a theorem asserting that one operator can validly be distributed over another
- double monastery — a religious community of both men and women who live in separate establishments under the same superior and who worship in a common church.
- double solitaire — a game of solitaire for two persons, each player usually having a pack and layout but pooling foundations with the opponent.
- double-barrelled — A double-barrelled gun has two barrels.
- double-breasting — the practice of employing nonunion workers, especially in a separate division, to supplement the work of higher-paid union workers.
- drumhead cabbage — acommon type of cabbage with tightly packed leaves and a rounded form with a slightly flattened top
- dublin bay prawn — a large prawn usually used in a dish of scampi
- duplicate bridge — a form of contract bridge used in tournaments in which contestants play the identical series of deals, with each deal being scored independently, permitting individual scores to be compared.
- east gwillimbury — a town in S Ontario, in S Canada.
- elburz mountains — a mountain range in N Iran, parallel to the SW and S shores of the Caspian Sea. Highest peak: Mount Demavend, 5671 m (18 606 ft)
- emotional labour — work that requires good interpersonal skills
- 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.
- flamborough head — a chalk promontory in NE England, on the coast of the East Riding of Yorkshire
- flashbulb memory — the clear recollections that a person may have of the circumstances associated with a dramatic event
- flat-track bully — a sportsperson who dominates inferior opposition, but who cannot beat top-level opponents
- forbush decrease — the sudden decrease in the intensity of cosmic rays after an increase in solar activity.
- 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.
- globular cluster — a comparatively older, spherically symmetrical, compact group of up to a million old stars, held together by mutual gravitation, that are located in the galactic halo and move in giant and highly eccentric orbits around the galactic center.
- great blue heron — a large American heron, Ardea herodias, having bluish-gray plumage.
- ground substance — Also called matrix. the homogeneous substance in which the fibers and cells of connective tissue are embedded.
- growth substance — any substance, produced naturally by a plant or manufactured commercially, that, in very low concentrations, affects plant growth; a plant hormone
- gulf of martaban — an inlet of the Bay of Bengal in Myanmar
- hairbrush cactus — a stout, spiny cactus, Pachycereus pecten-aboriginum, of Mexico, having white flowers and bristly fruits sometimes used locally as combs.
- have been around — be experienced
- hawksbill turtle — a sea turtle, Eretmochelys imbricata, the shell of which is the source of tortoise shell: an endangered species.
- heterometabolous — undergoing development in which the young are born adultlike in form, often maturing without a pupal stage.
- horsehead nebula — a dark nebula in the constellation Orion, composed of opaque cosmic dust and resembling the head of a horse.
- 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.
- hyperreal number — any of the set of numbers formed by the addition of infinite numbers and infinitesimal numbers to the set of real numbers
- 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.
- journeyman baker — a baker who is qualified to work in the employment of another
- kentucky warbler — a wood warbler, Oporornis formosus, of the U.S., olive-green above, yellow below, and marked with black on the face.
- 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)
- krebs urea cycle — urea cycle.
- labour agreement — a contract between workers and managers setting out working conditions, wages, etc
- labour relations — Labour relations refers to the relationship between employers and employees in industry, and the political decisions and laws that affect it.