15-letter words containing d, u, r, n
- reynolds number — a dimensionless number, vρl/η, where v is the fluid velocity, ρ the density, η the viscosity and l a dimension of the system. The value of the number indicates the type of fluid flow
- ribonucleotides — an ester, composed of a ribonucleoside and phosphoric acid, that is a constituent of ribonucleic acid.
- right-hand buoy — a distinctive buoy marking the side of a channel regarded as the right, or starboard, side.
- rogation sunday — the fifth Sunday after Easter; it sees the start of the supplications that are continued during the following Monday, Tuesday and Wednesday
- rough and ready — rough, rude, or crude, but good enough for the purpose: a rough-and-ready estimate of future expenses.
- rough-and-ready — rough, rude, or crude, but good enough for the purpose: a rough-and-ready estimate of future expenses.
- round and round — following a circuitous or circular course for a comparatively long time, esp vainly
- round character — a character in fiction whose personality, background, motives, and other features are fully delineated by the author.
- round the twist — mad; eccentric
- round whitefish — a whitefish, Prosopium cylindraceum, found in northern North America and Siberia, having silvery sides and a dark bronze back.
- round-the-clock — around-the-clock.
- round-trip time — (RTT) A measure of the current delay on a network, found by timing a packet bounced off some remote host. This can be done with ping -s.
- roundaboutation — circumlocution
- roundaboutility — roundaboutness
- roundheadedness — the state of having a round head
- routeing domain — (networking) (US "routing") A set of routers that exchange routeing information within an administrative domain.
- ruddy turnstone — a common shorebird, Arenaria interpres, of the New and Old World arctic, wintering south to southern South America and Australia and having striking reddish-brown, black, and white plumage.
- rudimentariness — the state or quality of being rudimentary
- rudyard kipling — (Joseph) Rudyard [ruhd-yerd] /ˈrʌd yərd/ (Show IPA), 1865–1936, English author: Nobel Prize 1907.
- sandwich course — A sandwich course is an educational course in which you have periods of study between periods of being at work.
- santa gertrudis — one of an American breed of beef cattle, developed from Shorthorn and Brahman stock for endurance to torrid temperatures.
- scrounge around — to borrow (a small amount or item) with no intention of repaying or returning it: to scrounge a cigarette.
- second republic — the republic established in France in 1848 and replaced by the Second Empire in 1852.
- secondary cause — a cause which is not the primary or ultimate cause
- secondary group — a group of people with whom one's contacts are detached and impersonal.
- secundogeniture — the state of being the second born child
- self-production — produced by oneself or itself.
- semi-industrial — of, pertaining to, of the nature of, or resulting from industry: industrial production; industrial waste.
- semidocumentary — a film or television programme that is fictional but includes many factual events or details
- serendipitously — come upon or found by accident; fortuitous: serendipitous scientific discoveries.
- seven-card stud — a variety of poker in which each player is dealt one card face down in each of the first two rounds, one card face up in each of the next four rounds, and one card face down in the last round, each of the last five rounds being followed by a betting interval. Compare stud poker (def 1).
- shoulder season — a travel season between peak and off-peak seasons, especially spring and fall, when fares tend to be relatively low.
- shoulder weapon — a firearm that is fired while being held in the hands with the butt of the weapon braced against the shoulder.
- shoulder-length — Shoulder-length hair is long enough to reach your shoulders.
- shroud of turin — a linen cloth kept in the Cathedral of Turin, Italy, since the late 1500s that bears a faint life-size human image venerated by some as the imprint of the dead body of Jesus.
- silver quandong — an Australian tree, Elaeocarpus grandis: family Elaeocarpaceae
- sliver building — a very narrow skyscraper designed in response to restriction of the building site or zoning, frequently containing only a single apartment per floor or comparably limited office space.
- sodium arsenite — a white or grayish-white, water-soluble, poisonous powder, NaAsO 2 , used chiefly in arsenical soaps for hides, as an insecticide, and as a weed-killer.
- soul-destroying — Activities or situations that are soul-destroying make you depressed, because they are boring or because there is no hope of improvement.
- sound recordist — recordist.
- sounding rocket — a rocket equipped with instruments for making meteorological observations in the upper atmosphere.
- source document — a document that has been or will be transcribed to a word processor or to the memory bank of a computer
- spawning ground — a place where fish deposit their eggs for fertilization
- squadron leader — air-force officer
- stamping ground — a habitual or favorite haunt.
- standard clause — a clause which is inserted as standard into certain types of contracts or agreements
- stomping ground — a habitual or favorite haunt.
- strontium oxide — a white insoluble solid substance used in making strontium salts and purifying sugar. Formula: SrO
- student teacher — a student who is studying to be a teacher and who, as part of the training, observes classroom instruction or does closely supervised teaching in an elementary or secondary school.
- sturm und drang — a style or movement of German literature of the latter half of the 18th century: characterized chiefly by impetuosity of manner, exaltation of individual sensibility and intuitive perception, opposition to established forms of society and thought, and extreme nationalism.