19-letter words containing d, i, s, t, o
- self identification — identification of oneself with some other person or thing.
- self-administration — the management of any office, business, or organization; direction.
- self-discrimination — an act or instance of discriminating, or of making a distinction.
- self-identification — identification of oneself with some other person or thing.
- sell down the river — a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels.
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- 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.
- 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.
- sheet flood erosion — Geology. erosion by sheets of running water, rather than by streams.
- ship-to-shore radio — a radio that carries communications between land and sea
- 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.
- smokestack industry — A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics.
- sodium hydrosulfite — a white, crystalline, water-soluble powder, Na 2 S 2 O 4 , used as a reducing agent, especially in dyeing, and as a bleach.
- sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
- 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 of revolution — a three-dimensional figure formed by revolving a plane area about a given axis.
- 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.
- 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.
- speeding conviction — a conviction for breaking the speed limit while driving a vehicle
- split-second timing — timing that depends on minute precision
- spotted wintergreen — an evergreen plant, Chimaphila maculata, of central North America, having leaves with mottled-white veins and white, fragrant flowers.
- spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
- 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.
- stand in good stead — the place of a person or thing as occupied by a successor or substitute: The nephew of the queen came in her stead.
- standing broad jump — a jump for distance from a standing position.
- stanford university — (education) A University in the city of Palo Alto, California, noted for work in computing, especially artificial intelligence. See SAIL.
- stanford-binet test — a revised version of the Binet-Simon scale, prepared at Stanford University for use in the U.S.
- stanislavski method — method (def 5).
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- sternocleidomastoid — of, relating to, or involving the sternum, the clavicle, and the mastoid process.
- straight and narrow — the way of virtuous or proper conduct: After his release from prison, he resolved to follow the straight and narrow.
- straightforwardness — going or directed straight ahead: a straightforward gaze.
- strontium hydroxide — a white, slightly water-soluble powder, Sr(OH) 2 , or its crystalline octahydrate (strontium hydrate) used chiefly in the refining of beet sugar.
- superannuation fund — a fund used for paying pensions
- suspended animation — a state of temporary cessation of the vital functions.
- swallow-tailed coat — tail coat.
- swallow-tailed kite — an American kite, Elanoides forficatus, having black upper parts, white head and underparts, and a long, deeply forked tail.
- take one's medicine — any substance or substances used in treating disease or illness; medicament; remedy.
- take one's mind off — to stop one from thinking about; turn one's attention from
- the best of friends — If two people are the best of friends, they are close friends, especially when they have had a disagreement or fight in the past.
- the hampshire downs — a range of low chalk hills that crosses Hampshire in S England
- thiophosphoric acid — an acid derived from phosphoric acid by substituting one or more sulfur atoms for oxygen atoms.