19-letter words containing a, d, s
- secondary education — education at high-school level
- secondary infection — an infection resulting from another infection
- secondary intention — See under intention (def 5b).
- secondary picketing — the picketing by strikers of a place of work that supplies goods to or distributes goods from their employer
- secondary processes — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
- secondary qualities — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
- secondary structure — the arrangement of a polypeptide into a regular alpha helix, beta structure, or random coil configuration by the formation of intramolecular hydrogen bonds along the length of the chain.
- secondary-intention — an act or instance of determining mentally upon some action or result.
- self identification — identification of oneself with some other person or thing.
- self-administration — the management of any office, business, or organization; direction.
- self-aggrandizement — increase of one's own power, wealth, etc., usually aggressively.
- self-discrimination — an act or instance of discriminating, or of making a distinction.
- self-identification — identification of oneself with some other person or thing.
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- semidetached binary — a pair of stars that are so close together that mass transfer occurs from one to the other
- semipalmated plover — a New World plover, Charadrius semipalmatus, having a black ring around the chest and semipalmate feet, inhabiting beaches and salt marshes.
- senatorial district — one of a fixed number of districts into which a state of the U.S. is divided, each electing one member to the state senate.
- sensory deprivation — the experimental or natural reduction of environmental stimuli, as by physical isolation or loss of eyesight, often leading to cognitive, perceptual, or behavioral changes, as disorientation, delusions, or panic.
- sessional indemnity — the remuneration paid to a member of the Canadian parliament.
- seventh commandment — “Thou shalt not commit adultery”: seventh of the Ten Commandments.
- sexual reproduction — reproduction involving the union of gametes.
- sharp-tailed grouse — a grouse, Pedioecetes phasianellus, of prairies and open forests of western North America, similar in size to the prairie chicken but with a more pointed tail.
- shield-tailed snake — any of several burrowing snakes of the family Uropeltidae, of the Indian peninsula and Sri Lanka, having a tail that ends in a flat disk.
- ship-to-shore radio — a radio that carries communications between land and sea
- shipping department — a department in a company responsible for arranging, receiving, recording, and sending shipments of goods
- shucking and jiving — misleading or deceptive talk or behavior, as to give a false impression.
- sidereal hour angle — the angle, measured westward through 360°, between the hour circle passing through the vernal equinox and the hour circle of a celestial body.
- simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
- single edge contact — (hardware) (SEC) The type of cartridge in which a Pentium II is packaged.
- single-line display — a display that presents information in a single line
- sir wilfrid laurier — Sir Wilfrid [wil-frid;; French weel-freed] /ˈwɪl frɪd;; French wilˈfrid/ (Show IPA), 1841–1919, Canadian statesman: prime minister 1896–1911.
- sixteenth amendment — an amendment to the U.S. Constitution, ratified in 1913, authorizing Congress to levy a tax on incomes.
- slate-colored junco — the eastern subspecies of the dark-eyed junco, Junco hyemalis, having grayer plumage than the several western subspecies.
- small advertisement — a short, simply designed advertisement in a newspaper or magazine, usually set entirely in a small size of type
- smite hip and thigh — to attack unsparingly; overwhelm with or as with blows
- smokestack industry — A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics.
- socialized medicine — any of various systems to provide the entire population with complete medical care through government subsidization and regularization of medical and health services.
- sodium metasilicate — a white, granular sodium silicate, Na 2 SiO 3 , soluble in water: used in detergents and in bleaching and cleaning products.
- sodium thiosulphate — a white soluble substance used, in the pentahydrate form, in photography as a fixer to dissolve unchanged silver halides and also to remove excess chlorine from chlorinated water. Formula: Na2S2O3
- solid-state physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
- sound effects woman — a woman who produces sounds artificially or reproduces them from a recording, etc, to create a theatrical effect, such as the bringing together of two halves of a hollow coconut shell to simulate a horse's gallop. Such sound effects are used in plays, films, etc
- south african dutch — the Boers.
- sow one's wild oats — any uncultivated species of Avena, especially a common weedy grass, A. fatua, resembling the cultivated oat.
- specialized subject — a school or university subject that concentrates on a particular field of knowledge
- spider-hunting wasp — any solitary wasp of the superfamily Pompiloidea, having a slender elongated body: the fast-running female hunts spiders as a food store for her larvae
- spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
- sql module language — A language used to interface other languages (Ada, C, COBOL) to SQL-based DBMSes. It is an ANSI standard. Version: Ada/SAME by Informix.
- st. kitts and nevis — country in the Leeward Islands of the West Indies, consisting of two islands (St. Kitts & Nevis): formerly a British colony, it became an independent state (1983) & a member of the Commonwealth: c. 101 sq mi (262 sq km); pop. 41,000; cap. Basseterre
- staff-student ratio — the ratio of teachers to pupils or students in a school, college, or university
- stakeholder pension — In Britain, a stakeholder pension is a flexible pension scheme with low charges. Both employees and the state contribute to the scheme, which is optional, and is in addition to the basic state pension.