17-letter words containing v, l, s, i
- relativistic mass — the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases.
- revascularization — the restoration of the blood circulation of an organ or area, achieved by unblocking obstructed or disrupted blood vessels or by surgically implanting replacements.
- reverse lightning — a faint discharge of blue light from the top of a thunderstorm cloud that propagates upward: extends approximately from the bottom to the top of the stratosphere and is not detectable from the ground.
- reza shah pahlavi — Muhammad Riza (or Reza) [ri-zah] /rɪˈzɑ/ (Show IPA), 1919–80, shah of Iran 1941–79; in exile after 1979 (son of Riza Shah Pahlavi).
- riza shah pahlavi — Pahlavi (def 2).
- selective amnesia — the deliberate forgetting of something
- selective service — compulsory military service.
- self-belay device — (in climbing) a device used to pay out a safety rope as required
- self-conservation — the act of conserving; prevention of injury, decay, waste, or loss; preservation: conservation of wildlife; conservation of human rights.
- self-preservation — preservation of oneself from harm or destruction.
- sentimental value — personal, emotional significance
- seven deadly sins — Christianity: worst vices
- side-valve engine — a type of internal-combustion engine in which the inlet and exhaust valves are in the cylinder block at the side of the pistons
- silent revolution — a social or political revolution that takes place with little warning and without great fuss or unrest
- silver collection — a collection that consists of silver coins that is made at a meeting etc
- silver star medal — a U.S. military decoration in the form of a bronze star with a small silver star at the center, awarded for gallantry in action
- sinus of valsalva — any of the pouches of the aorta and the pulmonary artery opposite the flaps of the semilunar valves into which blood returning to the heart flows, closing the valves.
- sleep deprivation — a condition in which you have not had enough sleep
- sliding vane pump — A sliding vane pump is a pump in which the vanes (=flat parts) are the main sealing element between the suction and discharge areas.
- small-leaved lime — Tilia cordata: a tiliaceous deciduous tree of the N temperate genus Tilia, having heart-shaped leaves and small fragrant yellowish flowers: cultivated for timber and as shade trees
- sodium-vapor lamp — an electric lamp in which sodium vapor is activated by current passing between two electrodes, producing a yellow, glareless light: used on streets and highways.
- softvelocity inc. — (company) The distributors of the Clarion family of application development systems.
- soil conservation — any of various methods to achieve the maximum utilization of the land and preserve its resources through such controls as crop rotation, prevention of soil erosion, etc.
- spanish civil war — the civil war in Spain 1936–39.
- special privilege — exclusive advantage
- spiral bevel gear — a bevel gear having curved teeth tending to converge on the axis of rotation.
- stellar evolution — the sequence of changes that occurs in a star as it ages
- subclavian artery — either of a pair of arteries, one on each side of the body, that carry the main supply of blood to the arms.
- subclavian groove — either of two grooves in the first rib, one for the main artery (subclavian artery) and the other for the main vein (subclavian vein) of the arm
- subsistence level — low standard of living
- subtractive color — cyan, yellow, or magenta, as used in the subtractive process of color photography.
- survival instinct — the instinct in humans and animals to do things in a dangerous situation that will prevent them from dying
- synovial membrane — anatomy: connective tissue
- telephone service — a company or public utility that provides a telephone-operating service
- television lounge — a room in a hotel, guest house, etc where guests may watch television
- television rights — the rights to televise something, such as a sporting event
- television screen — the flat vertical surface in a television set on which pictures are shown
- the pennsylvanian — the Pennsylvanian period or rock system, equivalent to the Upper Carboniferous of Europe
- the-invisible-man — a novel (1897) by H.G. Wells.
- twelve patriarchs — any of the sons of Jacob ((the twelve patriarchs),) from whom the tribes of Israel were descended.
- ultraconservative — extremely conservative, especially in politics.
- unconventionalist — not conventional; not bound by or conforming to convention, rule, or precedent; free from conventionality: an unconventional artist; an unconventional use of material.
- universal algebra — (logic) The model theory of first-order equational logic.
- universal grammar — a grammar that attempts to establish the properties and constraints common to all possible human languages.
- vaginal discharge — emission from the female genitalia
- valetudinarianism — the state, condition, or habits of a valetudinarian.
- van diemen's land — former name of Tasmania.
- vanity publishing — the practice of the author of a book paying all or most of the costs of its publication
- varix lymphaticus — a similar condition affecting an artery or lymphatic vessel
- vascular cylinder — stele (sense 3)