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20-letter words containing a, e, g, n, s

  • 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.
  • registered dietitian — a person who has fulfilled all the educational and examination requirements of the American Dietetic Association for recognition as a qualified nutrition specialist.
  • reminder advertising — a type of advertising designed to remind customers that an existing or well-known product is still available and for sale
  • repurchase agreement — a contract between a dealer, as a bank, and an investor, whereby the investor purchases securities with the promise that they will be bought back by the dealer on a designated date, for which the investor receives a fixed return.
  • reservations manager — A reservations manager at a hotel is responsible for the reservations at the hotel.
  • restriction fragment — a length of DNA cut from the strand by a restriction enzyme.
  • retinitis pigmentosa — degeneration of the retina manifested by night blindness and gradual loss of peripheral vision, eventually resulting in tunnel vision or total blindness.
  • ring-necked pheasant — a gallinaceous Asian bird, Phasianus colchicus, having a white band around its neck, introduced into Great Britain, North America, and the Hawaiian Islands.
  • 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.
  • saint george's cross — the Greek cross as used in the flag of Great Britain.
  • saint mary magdalene — a woman of Magdala (ˈmæɡdələ ) in Galilee whom Jesus cured of evil spirits (Luke 8:2) and who is often identified with the sinful woman of Luke 7:36–50. In Christian tradition she is usually taken to have been a prostitute. Feast day: July 22
  • salmonella poisoning — an illness caused by ingestion of a salmonella bacterium
  • sanitary engineering — a branch of civil engineering dealing with matters affecting public health, as water supply or sewage disposal.
  • sarcastic fringehead — any fish of the genus Neoclinus, characterized by a row of fleshy processes on the head, as N. blanchardi (sarcastic fringehead) of California coastal waters.
  • satellite navigation — navigation using data received from satellites
  • scatter site housing — public housing, especially for low-income families, built throughout an urban area rather than being concentrated in a single neighborhood.
  • scavenger's daughter — an instrument of torture that doubled over and squeezed the body so strongly and violently that blood was brought forth from the ears and nose: invented in 16th-century England.
  • schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
  • seating arrangements — the seating plan for a formal occasion
  • self-belaying system — (in climbing) equipment used to pay out rope as required and thus enable a climber to self-belay
  • self-differentiating — to form or mark differently from other such things; distinguish.
  • send someone packing — to dismiss or get rid of (someone) peremptorily
  • sensitivity training — a form of group therapy designed to develop understanding of oneself and others through free, unstructured discussion.
  • sergeant first class — a noncommissioned officer ranking next above a staff sergeant and below a first or master sergeant.
  • serve a person right — to pay a person back, esp for wrongful or foolish treatment or behaviour
  • set the ball rolling — to open or initiate (an action, discussion, movement, etc)
  • seven against thebes — (used with a plural verb) Classical Mythology. seven heroes, Amphiaraus, Capaneus, Eteoclus, Hippomedon, Parthenopaeus, Polynices, and Tydeus, who led an expedition against Thebes to depose Eteocles in favor of his brother Polynices: the expedition failed, but the Epigoni, the sons of the Seven against Thebes, conquered the city ten years later.
  • sex change operation — a surgical operation designed to change a person's physical sexual characteristics to those of the opposite sex
  • shank of the evening — the latter part of the afternoon
  • shoulder-length hair — hair that reaches a person's shoulders
  • 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
  • soft gelatin capsule — A soft gelatin capsule is a type of capsule that is usually used to contain medicine in the form of liquid or powder, and which dissolves more quickly than a hard gelatin capsule.
  • software engineering — the process of writing computer programs
  • spatial technologies — (company)   Distributors of the ACIS solid modelling engine.
  • squatter sovereignty — (used contemptuously by its opponents) popular sovereignty (def 2).
  • 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.
  • st.-germain-des-pres — an area in Paris, on the Left Bank.
  • staff sergeant major — a noncommissioned officer equivalent in rank to a command sergeant major but having no command responsibility.
  • stained glass window — a window made of coloured glass, often showing religious pictures and usually seen in churches
  • standstill agreement — law: between company and bidder
  • star spangled banner — Stars and Stripes.
  • star-spangled banner — Stars and Stripes.
  • storage area network — (storage)   (SAN) A high-speed subnetwork of shared storage devices. A storage device is a machine that contains nothing but a disk or disks for storing data. A SAN's architecture works in a way that makes all storage devices available to all servers on a LAN or WAN. As more storage devices are added to a SAN, they too will be accessible from any server in the larger network. The server merely acts as a pathway between the end user and the stored data. Because stored data does not reside directly on any of a network's servers, server power is used for business applications, and network capacity is released to the end user.
  • 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
  • sunday-go-to-meeting — most presentable; best: Sunday-go-to-meeting clothes.
  • supplemental plumage — the third plumage assumed by certain birds having three different plumages in their annual cycle of molts.
  • supplementary angles — either of two angles that added together produce an angle of 180°.
  • surface-active agent — any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid.
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