23-letter words containing o, s, t, r, a, v
- secondary seventh chord — a chord formed by superposition of three thirds upon any degree of the scale except the dominant.
- separation of variables — a grouping of the terms of an ordinary differential equation so that associated with each differential is a factor consisting entirely of functions of the independent variable appearing in the differential.
- software developers kit — (jargon, product) (SDK, or "Software Development Kit") Software provided by a software vendor to allow their products to be used with those of other software vendors.
- sovereignty association — (in Canada) a proposed arrangement by which Quebec would become independent but would maintain a formal association with Canada
- survival of the fittest — (not in technical use) natural selection.
- the royal naval reserve — the volunteer reserve force of the Royal Navy in the United Kingdom
- to have feelings for sb — to be emotionally or sexually attracted to
- to have your hands full — If you have your hands full with something, you are very busy because of it.
- transverse presentation — presentation in which the fetus is turned with its long axis across the mouth of the uterus, at right angles to the axis of the birth canal.
- university of minnesota — (body, education) The home of Gopher. Address: Minneapolis, Minnesota, USA.
- urban conservation area — an urban area that is protected, preserved and carefully managed
- van der waals' equation — an equation of state relating the pressure, volume, and absolute temperature of a gas, taking into account the finite size of the molecules and the attractive force between them.
- variable contrast paper — printing paper in which the contrast of the image is controlled by the color of the printing light.
- vestibulocochlear nerve — either one of the eight pairs of cranial nerves that supply the cochlea and semicircular canals of the internal ear and contribute to the sense of hearing
- veterans administration — the federal agency charged with administering benefits provided by law for veterans of the armed forces. Abbreviation: VA, V.A.
- video cassette recorder — See VCR.
- viscount horatio nelson — Viscount Horatio, 1758–1805, British admiral.
- volumetric displacement — the volume of air per revolution that passes through a mechanical pump when the pressure at the intake and the exhaust is the same as that of the atmosphere
- voter registration card — a card that enables a person to register in order to vote
- voyageurs national park — a national park in N Minnesota. 343 sq. mi. (888 sq. km).