15-letter words containing a, c, t, u, r
- schola cantorum — an ecclesiastical choir or choir school.
- sclerodermatous — Zoology. covered with a hardened tissue, as scales.
- security camera — closed-circuit TV camera
- security thread — a colored thread running through the paper of a piece of paper money, used to deter counterfeiting.
- security threat — a threat to the security of a country
- self-caricature — a picture, description, etc., ludicrously exaggerating the peculiarities or defects of persons or things: His caricature of the mayor in this morning's paper is the best he's ever drawn.
- semi-articulate — uttered clearly in distinct syllables.
- semidocumentary — a film or television programme that is fictional but includes many factual events or details
- semimanufacture — a product which forms an intermediate stage in the manufacture of another, often more complex product
- semitranslucent — imperfectly or almost translucent.
- sesquicarbonate — a salt intermediate in composition between a carbonate and a bicarbonate or consisting of the two combined.
- sesquicentenary — a hundred and fiftieth anniversary
- 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).
- silviculturally — with reference to silviculture
- simple fracture — a fracture in which the bone does not pierce the skin.
- sled cultivator — go-devil (def 5).
- social security — (usually initial capital letters) a program of old-age, unemployment, health, disability, and survivors insurance maintained by the U.S. federal government through compulsory payments by specific employer and employee groups.
- socioculturally — from a sociocultural point of view
- sodium chlorate — a colorless, water-soluble solid, NaClO 3 , cool and salty to the taste, used chiefly in the manufacture of explosives and matches, as a textile mordant, and as an oxidizing and bleaching agent.
- sodium citrates — the sodium salts of citric acid (monosodium citrate, disodium citrate, trisodium citrate)
- source material — original, authoritative, or basic materials utilized in research, as diaries or manuscripts.
- special feature — an article differing from the normal format and focusing on a particular topic
- standard clause — a clause which is inserted as standard into certain types of contracts or agreements
- star of courage — a Canadian award for bravery
- static pressure — the pressure exerted by a fluid that is not moving or flowing.
- statutory crime — a wrong punishable under a statute, rather than at common law.
- stay the course — to spend some time in a place, in a situation, with a person or group, etc.: He stayed in the army for ten years.
- storm insurance — insurance cover against damage caused by windstorms
- streptobacillus — any of various bacilli that form in chains.
- stress fracture — a hairline crack in a bone, especially of a foot or leg, caused by repeated or prolonged stress and often occurring in runners, dancers, and soldiers (march fracture)
- structural gene — cistron.
- structural iron — iron shaped for use in construction.
- 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.
- sub-corporation — an association of individuals, created by law or under authority of law, having a continuous existence independent of the existences of its members, and powers and liabilities distinct from those of its members. See also municipal corporation, public corporation.
- subcontraoctave — the octave below the contraoctave, which is three octaves below the middle C octave on a standard keyboard
- subject-raising — a rule that moves the subject of a complement clause into the clause in which it is embedded, as in the derivation of He is likely to be late from It is likely that he will be late
- subtrochanteric — Anatomy. either of two knobs at the top of the femur, the greater on the outside and the lesser on the inside, serving for the attachment of muscles between the thigh and pelvis.
- sumatra camphor — borneol.
- superbureaucrat — an important or highly powerful bureaucrat
- superexcitation — the act of exciting.
- superplasticity — the phenomenon, exhibited by certain metals and alloys usually at high temperatures, of stretching to extreme lengths without breaking
- superspecialist — a highly skilled specialist
- surface density — quantity, as of electric charge, per unit surface area.
- surface tension — the elasticlike force existing in the surface of a body, especially a liquid, tending to minimize the area of the surface, caused by asymmetries in the intermolecular forces between surface molecules.
- surgical spirit — Surgical spirit is a liquid which is used to clean wounds or surgical instruments. It consists mainly of alcohol.
- surgical strike — a military action designed to destroy a particular target without harming other people or damaging other buildings near it
- tableau curtain — a curtain, often used as an act curtain, designed to be drawn aside and up to give a festooned or draped effect.
- tablet computer — a number of sheets of writing paper, business forms, etc., fastened together at the edge; pad.
- talcum (powder) — a powder for the body and face made of powdered, purified talc, usually perfumed
- talking picture — Older Use. a motion picture with accompanying synchronized speech, singing, etc.