18-letter words containing o, u, a
- a barrel of laughs — If an experience is a barrel of laughs, it is very enjoyable. If someone is a barrel of laughs, they are fun to be with.
- a month of sundays — a long unspecified period
- a piece of crumpet — a sexually desirable woman
- a plague on sb/sth — You say a plague on a particular person or thing when you are very irritated by them and do not want to bother with them any more.
- absolute liability — full legal responsibility for damages or for an injury, without the need for proof and regardless of the degree of negligence or fault
- absolute magnitude — the apparent magnitude a given star would have if it were situated at a distance of 10 parsecs (32.6 light years) from the earth
- absolute threshold — the minimum intensity of a stimulus at which it can just be perceived
- absolute viscosity — a full name for viscosity, used to distinguish it from kinematic viscosity and specific viscosity
- account receivable — a current asset account showing amounts payable to a firm by customers who have made purchases of goods and services on credit
- accounting machine — a machine for performing bookkeeping functions, as arithmetic operations or vertical and horizontal tabulations.
- accumulation point — a point such that every neighborhood of the point contains at least one point in a given set other than the given point.
- acoustic impedance — the total reaction of a medium to the transmission of sound through it, expressed as the ratio of sound pressure to particle velocity at a given point in the medium.
- acoustic inertance — inertance.
- acoustic phonetics — the branch of phonetics concerned with the acoustic properties of human speech
- acoustic reactance — acoustic impedance caused by the inertia and elasticity of the transmitting medium.
- acquired behaviour — the behaviour of an organism resulting from the effects of the environment
- actual bodily harm — Actual bodily harm is a criminal offence in which someone gives another person a minor injury.
- acute inflammation — body's response to infection
- address resolution — (networking) Conversion of an Internet address into the corresponding physical address (Ethernet address). This is usually done using Address Resolution Protocol. The resolver is a library routine and a set of processes which converts hostnames into Internet addresses, though this process in not usually referred to as resolution. See DNS.
- adenocarcinomatous — Of or pertaining to adenocarcinomas.
- adjournment debate — (in the UK) a short debate, held immediately before the end of each day's business in the House of Commons, in which backbench MPs raise matters relating to their constituencies
- aeronautical chart — a topographic map of an area of the earth's surface, designed as an aid to aircraft navigation
- african lion hound — one of a South African breed of medium-sized muscular hunting dogs having a short, glossy, red or tan coat, with a characteristic ridge of hair along the spine consisting of parallel crowns of hair growing in the opposite direction of the rest of the coat, originally developed for hunting lions but now used primarily as a guard dog.
- agammaglobulinemia — a condition of the blood, either congenital or acquired, in which there is near or complete absence of gamma globulin and a failure of the body to form antibodies, resulting in a frequent occurrence of infectious disease.
- agostino di duccio — 1415–81, Italian sculptor, noted for his carved marble panels in the interior of the Tempio Malatestiano at Rimini
- agro-industrialize — to industrialize the agriculture of: to agro-industrialize a developing nation.
- ahead of the curve — People, products or ideas that are ahead of the curve are more advanced or modern than others of their kind.
- ahead of your time — If someone is ahead of their time or before their time, they have new ideas a long time before other people start to think in the same way.
- ailanthus silkworm — a green silkworm, Samia walkeri, introduced into the U.S. from China, that feeds on the leaves of the ailanthus.
- air national guard — a national guard organization similar to and coordinate with the U.S. Air Force.
- alcoholic solution — An alcoholic solution is mixture of water and ethanol, used as a solvent.
- alexius i comnenus — 1048–1118, ruler of the Byzantine Empire (1081–1118)
- algebraic equation — an equation in the form of a polynomial having a finite number of terms and equated to zero, as 2 x 3 + 4 x 2 − x + 7 = 0.
- algebraic function — any function which can be constructed in a finite number of steps from the elementary operations and the inverses of any function already constructed
- almoner's cupboard — a cupboard with pierced doors, formerly used as a storage place for food.
- aluminum hydroxide — a white powder, Al(OH)3, obtained from bauxite and used to make glass, paper, etc. and in antacids
- aminosuccinic acid — aspartic acid.
- ammonium carbamate — a white soluble crystalline compound produced by reaction between dry ammonia and carbon dioxide and used as a nitrogen fertilizer. Formula: (NH4)CO2NH2
- ammonium carbonate — an unstable pungent soluble white powder that is a double salt of ammonium bicarbonate and ammonium carbamate: used in the manufacture of baking powder, smelling salts, and ammonium compounds. Formula: (NH4)HCO3.(NH4)CO2NH2
- ammonium hydroxide — a compound existing only in aqueous solution, formed when ammonia dissolves in water to form ammonium ions and hydroxide ions. Formula: NH4OH
- ammonium phosphate — monoammonium phosphate.
- ammonium purpurate — murexide.
- analogue recording — a sound recording process in which an audio input is converted into an analogous electrical waveform
- anglican communion — a group of Christian Churches including the Church of England, the Church of Ireland, the Episcopal Church in Scotland, the Church in Wales, and the Episcopal Church in the US, all of which are in full communion with each other
- angular dispersion — a measure of the angular separation of light rays of different wavelength or color traversing a prism or diffraction grating, equal to the rate of change of the angle of deviation with respect to the change in wavelength.
- anterior pituitary — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
- anthropomorphously — In an anthropomorphous manner; in a manner resembling that of a human.
- anti-authoritarian — favoring complete obedience or subjection to authority as opposed to individual freedom: authoritarian principles; authoritarian attitudes.
- anti-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- antiscorbutic acid — vitamin C
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