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17-letter words containing a, v, i, r, s

  • passive restraint — a safety device, as an air bag or special seat belt, that is activated automatically to protect an automobile passenger at the moment of impact when a collision occurs.
  • pere david's deer — a medium-sized, reddish-gray deer, Elaphurus davidianus, of which stocks were obtained in Peking in 1865 and brought to parks in Europe before the remaining Chinese deer were killed in 1900: the species is sustained in captivity.
  • peripheral vision — all that is visible to the eye outside the central area of focus; side vision.
  • pluvius insurance — insurance against rain
  • positive polarity — the grammatical characteristic of a word or phrase, such as delicious or rather, that may normally only be used in a semantically or syntactically positive or affirmative context
  • prairie provinces — the Canadian provinces of Manitoba, Saskatchewan, and Alberta, which lie in the N Great Plains region of North America: the chief wheat and petroleum producing area of Canada
  • pre-investigation — the act or process of investigating or the condition of being investigated.
  • primitive baptist — (especially in the Southern U.S.) one belonging to a highly conservative, loosely organized Baptist group, characterized by extreme fundamentalism and by opposition to missionary work, Sunday Schools, and the use of musical instruments in church.
  • private ownership — the fact of being owned by a private individual or organization, rather than by the state or a public body
  • private secretary — a person who attends to the individual or confidential correspondence, files, etc., of a business executive, official, or the like.
  • production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
  • progressive party — a political party formed in 1912 under the leadership of Theodore Roosevelt, advocating popular control of government, direct primaries, the initiative, the referendum, woman suffrage, etc.
  • pseudo-aggressive — characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
  • quantity surveyor — A quantity surveyor is a person who calculates the cost and amount of materials and workers needed for a job such as building a house or a road.
  • radioactive waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
  • received standard — the form of educated English spoken originally in southern England and having Received Pronunciation as a chief distinguishing feature.
  • recursive acronym — (convention)   A hackish (and especially MIT) tradition is to choose acronyms and abbreviations that refer humorously to themselves or to other acronyms or abbreviations. The classic examples were two MIT editors called EINE ("EINE Is Not Emacs") and ZWEI ("ZWEI Was EINE Initially"). More recently, there is a Scheme compiler called LIAR (Liar Imitates Apply Recursively), and GNU stands for "GNU's Not Unix!" - and a company with the name CYGNUS, which expands to "Cygnus, Your GNU Support". See also mung.
  • 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 apartheid — a perceived bias against White people following the end of Apartheid
  • 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).
  • saint bonaventure — Saint ("the Seraphic Doctor") 1221–74, Italian scholastic theologian.
  • saint croix river — Also called Santa Cruz. a U.S. island in the N Lesser Antilles: the largest of the Virgin Islands. 82 sq. mi. (212 sq. km).
  • saturation diving — a method of prolonged diving, using an underwater habitat to allow divers to remain in the high-pressure environment of the ocean depths long enough for their body tissues to become saturated with the inert components of the pressurized gas mixture that they breathe: when this condition is reached, the amount of time required for decompression remains the same, whether the dive lasts a day, a week, or a month.
  • second derivative — the derivative of the derivative of a function: Acceleration is the second derivative of distance with respect to time.
  • 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.
  • 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
  • sleep deprivation — a condition in which you have not had enough sleep
  • 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.
  • 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.
  • squash vine borer — the larva of a clearwing moth, Melittia satyriniformis, that bores into the stems of squash and related plants.
  • 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
  • substantive right — a right, as life, liberty, or property, recognized for its own sake and as part of the natural legal order of society.
  • subtractive color — cyan, yellow, or magenta, as used in the subtractive process of color photography.
  • supermassive star — Astronomy. a star with a mass more than fifty times the mass of the sun.
  • supervisory board — a board of management of which nonmanagerial workers are members, having supervisory powers over some aspects of management decision-making
  • 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
  • the driver's seat — the position of control or dominance
  • the varsity match — a sporting fixture between Oxford and Cambridge university rugby teams
  • traffic diversion — a special route arranged for traffic to follow when the normal route cannot be used
  • transverse engine — an engine which is fitted side-to-side across the axis of a vehicle
  • twelve patriarchs — any of the sons of Jacob ((the twelve patriarchs),) from whom the tribes of Israel were descended.
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