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20-letter words containing l, o, a, n, r

  • radial triangulation — triangulation based upon lines radiating from the center of each of two overlapping photographs to certain objects appearing on each photograph.
  • raise one's glass to — to drink the health of; drink a toast to
  • read-eval-print loop — (language, LISP, programming)   (REPL) A programming structure within LISP which repeatedly reads a form from the user, evaluates it, and displays the result. A read-eval-print loop forms the basis of the Top-Level shell that programmers of the LISP family of languages interact with. In many dialects of LISP a very simple REPL could be implemented as: (loop (print (eval (read)))). (2003-06-23)
  • real-time processing — data-processing by a computer which receives constantly changing data, such as information relating to air-traffic control, travel booking systems, etc, and processes it sufficiently rapidly to be able to control the source of the data
  • receivables turnover — A receivables turnover is a measure of cash flow that is calculated by dividing net credit sales by average accounts receivable.
  • reciprocal insurance — insurance in which members of a reciprocal exchange, acting through an attorney-in-fact, insure themselves and each other.
  • reconcile an account — If you reconcile an account, you compare the items in a bank statement, credit card statement, or vendor statement with the entries on your books and make sure that the statement and books match.
  • recreational therapy — therapy by means of recreational activities engaged in by the patient
  • recreational vehicle — a van or utility vehicle used for recreational purposes, as camping, and often equipped with living facilities. Abbreviation: RV.
  • refracting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
  • refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
  • regenerative cooling — Physics. a method of cooling a gas, utilizing the rapid expansion of a compressed portion of the gas, before it becomes liquid, to cool the remainder.
  • regional development — aid-giving to poorer areas or countries
  • relative conjunction — a conjunction that introduces a relative clause
  • relative deprivation — the perception of an unfair disparity between one's situation and that of others.
  • ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
  • romantic involvement — the condition of being in a romantic or sexual relationship
  • root canal treatment — dental treatment
  • rough-winged swallow — either of two New World swallows of the genus Stelgidopteryx, having outer primary feathers with small barblike hooks on the margins.
  • royal british legion — an organization founded in 1921 to provide services and assistance for former members of the armed forces
  • royal leamington spa — a city in Warwickshire, central England: health resort.
  • schizoid personality — sb with identity disorder
  • season ticket holder — a person who has a season ticket
  • second earl of essex — 2nd Earl of, Devereux, Robert.
  • second international — an international association formed in 1889 in Paris, uniting socialistic groups or parties of various countries and holding international congresses from time to time: in 1923 it joined with the Vienna International to form the Labor and Socialist International. Compare international (def 6).
  • separation allowance — an allowance paid to a member of the military when they are forced to be apart from their family due to their military duties
  • set the ball rolling — to open or initiate (an action, discussion, movement, etc)
  • shoulder-length hair — hair that reaches a person's shoulders
  • silicon tetrahydride — silane (def 1).
  • skull and crossbones — a representation of a front view of a human skull above two crossed bones, originally used on pirates' flags and now used as a warning sign, as in designating substances as poisons.
  • snowflake generation — the generation of people who became adults in the 2010s, viewed as being less resilient and more prone to taking offence than previous generations
  • snows of kilimanjaro — a short story (1936) by Ernest Hemingway.
  • solitary confinement — the confinement of a prisoner in a cell or other place in which he or she is completely isolated from others.
  • south american plate — a major tectonic division of the earth's crust, comprising the continent of South America and several ocean basins and bounded on the north by the Caribbean Plate, on the east by the Mid-Atlantic Ridge, on the west by a submarine trench that borders the western coast of the continent, and on the south by the Antarctic Plate.
  • south orkney islands — an uninhabited group of islands in the S Atlantic, southeast of Cape Horn: formerly a dependency of the Falkland Islands; part of the British Antarctic Territory since 1962 (claims are suspended under the Antarctic Treaty). Area: 621 sq km (240 sq miles)
  • southern oscillation — a low-latitude fluctuation of atmospheric pressure closely linked with El Niño events, specifically the periods of El Niño warming and La Niña cooling.
  • spanish oyster plant — a composite plant, Scolymus hispanicus, of southern Europe, having spiny, thistlelike leaf margins, small yellow flowers, and an edible root.
  • special relationship — the exceptionally close political, diplomatic, cultural and historical relations between the United States and the United Kingdom
  • spherical aberration — variation in focal length of a lens or mirror from center to edge, due to its spherical shape.
  • spherical coordinate — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
  • spotted crane's-bill — the American wild geranium, Geranium maculatum.
  • st. george's channel — a channel between Wales and Ireland, connecting the Irish Sea and the Atlantic. 100 miles (160 km) long; 50–90 miles (81–145 km) wide.
  • state enrolled nurse — a nurse with training and examinations enabling him or her to perform many nursing services
  • strong nuclear force — an interaction between elementary particles responsible for the forces between nucleons in the nucleus. It operates at distances less than about 10–15 metres, and is about a hundred times more powerful than the electromagnetic interaction
  • subscription library — a commercial lending library
  • surveillance society — a society where surveillance technology is widely used to monitor people's everyday activities
  • system international — Système International d'Unités
  • systemic circulation — the circulatory system in general.
  • tactical air command — a U.S. Air Force command supplying direct air support to U.S. Army ground combat units.
  • take to the cleaners — a person who cleans, especially one whose regular occupation is cleaning offices, buildings, equipment, etc.
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