15-letter words containing i, t, o, u
- auditor general — (in Canada) a federal official responsible for auditing government departments and making an annual report
- audubon society — a North American organization devoted to the conservancy of birds
- authentications — Plural form of authentication.
- authoritatively — having due authority; having the sanction or weight of authority: an authoritative opinion.
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- autocannibalism — The eating of part of one's own body.
- autocollimation — the process used in an autocollimator.
- autocorrelation — the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent
- autocorrelative — Relating to autocorrelation.
- autodestructive — likely to cause one's own destruction
- autodidacticism — any self-directed learning or self-education
- autoinoculation — the inoculation of microorganisms (esp viruses) from one part of the body into another, usually in the form of a vaccine
- 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 focus — a system in a camera which automatically adjusts the lens so that the object being photographed is in focus, often one using infrared light to estimate the distance of the object from the camera
- automatic pilot — An automatic pilot or an autopilot is a device in an aircraft that automatically keeps it on a particular course.
- 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.
- autoschediastic — offhand, with little forethought or preparation
- 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
- 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 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.
- 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.