15-letter words containing o, u, r, i
- autodestructive — likely to cause one's own destruction
- autolithography — a lithographic technique by which the artist draws or traces with a brush and pen directly on a stone or plate.
- automatic drive — an automotive transmission requiring either very little or no manual shifting of gears.
- automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
- automorphically — in an automorphic manner
- autoradiographs — Plural form of autoradiograph.
- autoradiography — the technique or process of making autoradiographs.
- autorhythmicity — The quality of being autorhythmic, or generating its own rhythm, as for example the cells of the cardiac muscle do.
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- autotransfusion — a process in which a patient receives some of his or her own blood in a transfusion rather than a donor's blood
- autotrophically — through an autotrophic process
- auxiliary rotor — the tail rotor of a helicopter, used for directional and rotary control
- backup rotation — (operating system) Any system for re-using backup media, e.g. magnetic tape. One extreme would be to use the same media for every backup (e.g. copy disk A to disk B), the other extreme would be to use new media every time. The trade-off is between the cost of buying and storing media and the ability to restore any version of any file. One example is the Grandfather, Father, Son (GFS) scheme.
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- badminton court — the court on which games of badminton are played
- banking product — one of the various services offered by a bank to its customers: mortgages, loans, insurance etc
- bargain counter — a store counter on which goods are displayed for sale at reduced prices
- barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
- barium chromate — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- barium peroxide — a gray-white powder, BaO2, used as a bleach and in making hydrogen peroxide
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- basic autocoder — Early system on IBM 7070. Listed in CACM 2(5):16 (May 1959).
- benzyl fluoride — a colorless liquid, C 7 H 7 F, used in organic synthesis.
- bergius process — a method of hydrogenation formerly used with coal to produce an oil similar to petroleum.
- bernoulli trial — one of a sequence of independent experiments each of which has the same probability of success, such as successive throws of a die, the outcome of which is described by a binomial distribution
- beurre noisette — a sauce of butter cooked until golden or nut brown, sometimes flavored with capers, vinegar, herbs, etc.
- bicycle touring — the activity of touring on a bicycle
- bioastronautics — the study of the effects of space flight on living organisms
- biodestructible — biodegradable
- biscuit tortoni — an individual portion of tortoni, frozen and served in a small cup, often topped with ground almonds.
- booster cushion — an extra seat or cushion placed on an existing seat for a child to sit on in a car
- borough council — a local government body elected by a borough
- borough-english — (until 1925) a custom in certain English boroughs whereby the youngest son inherited land to the exclusion of his older brothers
- borscht circuit — summer resort hotels in the Catskills and White Mountains, where entertainment is provided for the guests
- bourbon biscuit — a rich chocolate-flavoured biscuit with a chocolate-cream filling
- boustrophedonic — of or relating to lines written in opposite directions
- bowstring truss — a structural truss consisting of a curved top chord meeting a bottom chord at each end.
- branchial pouch — one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.
- branchiostegous — branchiostegal.
- breaking plough — a plough with a long shallow mouldboard for turning virgin land or sod land
- breeding ground — If you refer to a situation or place as a breeding ground for something bad such as crime, you mean that this thing can easily develop in that situation or place.
- 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
- 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
- building worker — a labourer, bricklayer, etc who works in the construction industry
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- bureau of mines — a division of the Department of the Interior, created in 1910, that studies the nation's mineral resources and inspects mines.
- business person — Business people are people who work in business.
- calcium blocker — any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.