17-letter words containing l, u, r, v
- reflexive pronoun — A reflexive pronoun is a pronoun such as 'myself' which refers back to the subject of a sentence or clause. For example, in the sentence 'He made himself a cup of tea', the reflexive pronoun 'himself' refers back to 'he'.
- relative aperture — the ratio of the diameter of a lens, especially a camera lens, to the focal length; the reciprocal of the f number or focal ratio of the lens.
- relative humidity — the amount of water vapor in the air, expressed as a percentage of the maximum amount that the air could hold at the given temperature; the ratio of the actual water vapor pressure to the saturation vapor pressure. Abbreviation: RH, rh.
- replacement value — insurance: sum required to replace sth
- reproductive cell — gamete.
- 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.
- revolutionary war — American Revolution.
- rotary cultivator — a machine for breaking up and tilling soil, consisting of a series of blades mounted on a revolving power-driven shaft
- rural development — social or economic activities or initiatives designed to improve the standard of living in areas far away from large towns or cities
- shetland pullover — a thick woollen sweater made from Shetland wool
- silent revolution — a social or political revolution that takes place with little warning and without great fuss or unrest
- small waved umber — a brownish geometrid moth, Horisme vitalbata, that is cryptically marked to merge with tree bark
- 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.
- stellar evolution — the sequence of changes that occurs in a star as it ages
- structural survey — an examination of a property carried out by surveyor which should reveal any problems with the building
- 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
- 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
- the evil day/hour — If someone is putting off the evil day or the evil hour, they have to do something unpleasant and are trying to avoid doing it for as long as possible.
- ultraconservative — extremely conservative, especially in politics.
- 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.
- urban development — the development or improvement of an urban area by building
- valetudinarianism — the state, condition, or habits of a valetudinarian.
- valsalva maneuver — a forced expiratory effort against a closed glottis that decreases intrathoracic pressure, hampering venous return to the heart, and that can be used to inflate the Eustachian tubes and adjust pressure in the middle ear.
- vanilla-flavoured — having been flavoured with vanilla extract or essence
- varix lymphaticus — a similar condition affecting an artery or lymphatic vessel
- vascular cylinder — stele (sense 3)
- vehicle insurance — Vehicle insurance is insurance purchased for cars, trucks, motorcycles, and other road vehicles.
- velvet revolution — the peaceful overthrow of Czechoslovakia's communist government in late 1989
- ventura publisher — Corel VENTURA
- vernacularization — to translate into the natural speech peculiar to a people.
- verticillium wilt — a disease affecting many temperate-climate plants in hot weather, caused by soil-inhabiting fungi of the genus Verticillium and characterized by wilt, dulling or yellowing of leaf color, and withering near the base.
- vestibular system — the sensory mechanism in the inner ear that detects movement of the head and helps to control balance
- vibrofluidization — Vibrofluidization is when vibration is used to make particles move in a fluidized bed.
- victor emmanuel i — 1759–1824, king of Sardinia 1802–21.
- visually impaired — (of a person) having reduced vision so severe as to constitute a handicap.
- voltage regulator — a device that controls or maintains the voltage of an electrical circuit. Abbreviation: VR.
- vulcan death grip — (jargon) A variant of Vulcan nerve pinch derived from a Star Trek classic epsisode where a non-existant "Vulcan death grip" was used to fool Romulans that Spock had killed Kirk.
- wave-cut platform — a flat surface at the base of a cliff formed by erosion by waves