23-letter words containing l, o, v, e, s
- 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.
- soviet of nationalities — the legislature of the former Soviet Union and its successor states, consisting of an upper house (Soviet of the Union or Council of the Union) whose delegates are elected on the basis of population, and a lower house (Soviet of Nationalities or Council of Nationalities) whose delegates are elected to represent the various nationalities.
- subscription television — pay television.
- survival of the fittest — (not in technical use) natural selection.
- sustainable development — supporting economy via renewable resources
- talk/speak of the devil — People say speak of the devil, or in British English talk of the devil, if someone they have just been talking about appears unexpectedly.
- the lesser of two evils — If you have two choices, but think that they are both bad, you can describe the one which is less bad as the lesser of two evils, or the lesser evil.
- the royal naval reserve — the volunteer reserve force of the Royal Navy in the United Kingdom
- to blow someone's cover — To blow someone's cover means to cause their true identity or the true nature of their work to be revealed.
- 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.
- until hell freezes over — If you say that you will do something until hell freezes over, you are emphasizing that you will do it for a very long time or for ever.
- 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
- viscount horatio nelson — Viscount Horatio, 1758–1805, British admiral.
- viscount melville sound — an arm of the Arctic Ocean between Victoria and Prince of Wales islands to the S and Melville and Bathurst islands to the N, in the Northwest Territories and Nunavut, Canada. 250 miles (400 km) long and 100 miles (160 km) wide.
- 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
- voyageurs national park — a national park in N Minnesota. 343 sq. mi. (888 sq. km).
- willow-leaved jessamine — a Chilean shrub, Cestrum parqui, of the nightshade family, having willowlike leaves and clusters of whitish or yellowish flowers that are very fragrant at night.