18-letter words containing e, n, s, o, r
- semi-microanalysis — any analytical method in which the weight of the sample is between 10 and 100 milligrams.
- semiprecious stone — See at semiprecious.
- senior aircraftman — a rank in the Royal Air Force comparable to that of a private in the army, though not the lowest rank in the Royal Air Force
- senior common room — (in British universities, colleges, etc) a common room for the use of academic staff
- senior high school — a school attended after junior high school and usually consisting of grades 10 through 12.
- sense of direction — Your sense of direction is your ability to know roughly where you are, or which way to go, even when you are in an unfamiliar place.
- sentence connector — a word or phrase that introduces a clause or sentence and serves as a transition between it and a previous clause or sentence, as for example also in I'm buying eggs and also I'm looking for a dessert for tonight. It may be preceded by a coordinating conjunction such as and in the above example
- separation anxiety — the normal fear and apprehension expressed by infants when removed from their mothers or approached by strangers.
- set one's heart on — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
- sex discrimination — the practice of treating male and female people unequally
- sexual intercourse — genital contact, especially the insertion of the penis into the vagina followed by orgasm; coitus; copulation.
- sexual orientation — one's natural preference in sexual partners; predilection for homosexuality, heterosexuality, or bisexuality.
- shift one's ground — to change one's argument or defense
- shipping container — a large, strong container, usually of metal, used to store goods in during shipment
- shorthand notebook — a notebook used by a shorthand writer
- shotgun microphone — a directional microphone with a narrow-angle range of sensitivity.
- shrubby cinquefoil — a small shrub, Potentilla fruticosa, of the rose family, native to the Northern temperate region, having pinnate leaves and numerous, showy, bright-yellow flowers.
- shugart technology — Seagate Technology
- shunting operation — an operation in which rail coaches are manoeuvred
- silvery cinquefoil — any of several plants belonging to the genus Potentilla, of the rose family, having yellow, red, or white five-petaled flowers, as P. reptans (creeping cinquefoil) of the Old World, or P. argentea (silvery cinquefoil) of North America.
- silvery spleenwort — a fern, Diplazium pycnocarpon, of eastern North America, having fronds from 20 to 30 inches (50.8 to 76.2 cm) long on yellowish-green stalks.
- simone de beauvoir — Simone [see-mawn] /siˈmɔn/ (Show IPA), (Lucie Ernestine Marie Bertrand) 1908–86, French playwright, novelist, and essayist.
- simple enumeration — a procedure for arriving at empirical generalizations by haphazard accumulation of positive instances.
- sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
- six-finger country — an isolated area considered as being inhabited by people who practise inbreeding
- ski-mountaineering — a combination of the sports of skiing and mountaineering, for example by climbing up a mountain then skiing down it
- slim hole drilling — Slim hole drilling is drilling a well in which at least 90 percent of the hole has a diameter of seven inches or less.
- sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
- slow-motion replay — a showing again in slow motion of a sequence of action, esp of part of a sporting contest immediately after it happens
- small pastern bone — the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
- social engineering — the application of the findings of social science to the solution of actual social problems.
- social environment — the environment developed by humans as contrasted with the natural environment; society as a whole, especially in its relation to the individual.
- societal marketing — marketing that takes into account society's long-term welfare
- society of friends — a Christian denomination, founded in England c. 1650 by George Fox, that has no formal creed, liturgy, or priesthood and rejects violence in human relations, esp. warfare
- sodium bicarbonate — a white, crystalline, water-soluble solid, in powder or granules, NaHCO 3 , usually prepared by the reaction of soda ash with carbon dioxide or obtained from the intermediate product of the Solvay process by purification: used chiefly in the manufacture of sodium salts, baking powder, and beverages, as a laboratory reagent, as a fire extinguisher, and in medicine as an antacid.
- software backplane — (programming, tool) A CASE framework from Atherton.
- soldier of fortune — a person who independently seeks pleasure, wealth, etc., through adventurous exploits.
- soldier settlement — the allocation of Crown land for farming to ex-servicemen
- solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
- solvent extraction — Solvent extraction is the separation of a particular substance from a mixture by dissolving that substance in a solvent that will dissolve it, but which will not dissolve any other substance in the mixture.
- something or other — sth not remembered precisely
- something to spare — a surplus of something
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- sound and the fury — a novel (1929) by William Faulkner.
- sound spectrograph — an electronic device for recording a sound spectogram.
- southern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- southern rhodesian — a former name (until 1964) of Zimbabwe (def 1).
- sow dragon's teeth — to take some action that is intended to prevent strife or trouble but that actually brings it about
- speech recognition — Computers. the computerized analysis of spoken words in order to identify the speaker, as in security systems, or to respond to voiced commands: the analysis is performed by finding patterns in the spectrum of the incoming sound and comparing them with stored patterns of elements of sound, as phones, or of complete words.
- sperry corporation — (company) The company which merged with the Burroughs Corporation to form Unisys Corporation. Divisions included Sperry Univac, Sperry Flight Systems, and others. Some of these were sold off after the merger.