15-letter words containing o, u, t
- autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
- autotransfusion — a process in which a patient receives some of his or her own blood in a transfusion rather than a donor's blood
- autotransplants — Plural form of autotransplant.
- 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.
- backup software — (tool, software) Software for doing a backup, often included as part of the operating system. Backup software should provide ways to specify what files get backed up and to where. It may include its own scheduling function to automate the procedure or, preferably, work with generic scheduling facilities. It may include facilities for managing the backup media (e.g. maintaining an index of tapes) and for restoring files from backups. Examples are Unix's dump command and Windows's ntbackup.
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- badminton court — the court on which games of badminton are played
- ball ammunition — live small-arms ammunition
- 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 chromate — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- 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).
- basic education — (in India) education in which all teaching is correlated with the learning of a craft
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- bathing costume — A bathing costume is a piece of clothing that is worn for swimming, especially by women and girls.
- be a wake-up to — to be fully alert to (a person, thing, action, etc)
- 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.
- beam-power tube — a vacuum tube in which the stream of electrons flowing to the plate is focused by the action of a set of auxiliary, charged elements, giving an increase in output power.
- beast of burden — A beast of burden is an animal such as an ox or a donkey that is used for carrying or pulling things.
- beat one's gums — to talk much and idly
- beat oneself up — to reproach oneself
- beat the bounds — (formerly) to define the boundaries of a parish by making a procession around them and hitting the ground with rods
- beetroot purple — a deep purple-red; a purple pigment derived from beets.
- benevolent fund — a charitable organization
- 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
- bessel function — one of several transcendental functions, usually represented as power series, that are solutions to a group of related differential equations.
- beurre noisette — a sauce of butter cooked until golden or nut brown, sometimes flavored with capers, vinegar, herbs, etc.
- beyond question — a sentence in an interrogative form, addressed to someone in order to get information in reply.
- bicycle touring — the activity of touring on a bicycle
- bioaccumulation — the process in which industrial waste, toxic chemicals, etc. gradually accumulate in living tissue
- 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.
- 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 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)
- 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 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.
- bodily function — A person's bodily functions are the normal physical processes that regularly occur in their body, particularly the ability to urinate and defecate.
- bone conduction — the transmission of sound vibrations to the internal ear through the cranial bones (opposed to air conduction).
- book of account — a book to keep accounts in; ledger
- 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.
- booster cushion — an extra seat or cushion placed on an existing seat for a child to sit on in a car
- borscht circuit — summer resort hotels in the Catskills and White Mountains, where entertainment is provided for the guests