18-letter words containing u, n, t, r, s
- securities analyst — an expert who advises on investment in securities such as stocks, shares and bonds
- security agreement — business: contract
- security clearance — access to top secret information
- security of tenure — (in Britain) the right of a tenant to continue to occupy a dwelling or site unless the landlord obtains a court order for possession of the property or termination of the tenancy agreement
- selenium rectifier — a rectifier consisting of laminated plates of metal, usually iron, that have been coated with selenium on one side, with rectification taking place because the flow of electrons from the conductive metal to the selenium occurs more readily than the flow in the opposite direction.
- self-instructional — pertaining to or constituting learning materials and conditions arranged so that students can proceed to learn on their own with little or no supervision.
- self-preoccupation — the state of being preoccupied.
- self-understanding — mental process of a person who comprehends; comprehension; personal interpretation: My understanding of the word does not agree with yours.
- semiprecious stone — See at semiprecious.
- sentence structure — syntax
- 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
- shotgun microphone — a directional microphone with a narrow-angle range of sensitivity.
- shugart technology — Seagate Technology
- shunting operation — an operation in which rail coaches are manoeuvred
- simple enumeration — a procedure for arriving at empirical generalizations by haphazard accumulation of positive instances.
- 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
- 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.
- soldier of fortune — a person who independently seeks pleasure, wealth, etc., through adventurous exploits.
- song without words — a song which only consists of a tune or melody and does not have any lyrics
- 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).
- specimen signature — a signature to be compared to an original signature in order to verify someone's identity
- spur-of-the-moment — occurring or done without advance preparation or deliberation; extemporaneous; unplanned: a spur-of-the-moment decision.
- squinting modifier — a word or phrase that can modify either the words that precede it or those that follow, as frequently in the sentence Studying frequently is tedious.
- squirting cucumber — a Mediterranean plant, Ecballium elaterium, of the gourd family, whose ripened fruit forcibly ejects the seeds and juice.
- stand one's ground — the solid surface of the earth; firm or dry land: to fall to the ground.
- standard schnauzer — schnauzer.
- standoff insulator — a type of insulator that supports an electrical conductor at a distance from other elements or surfaces.
- stirling's formula — a relation that approximates the value of n factorial (n!), expressed as .
- store launch event — A store launch event is a special event, which publicizes the opening of a new store and at which discounts and free samples may be offered.
- strangeness number — a quantum number, designating the strangeness of an elementary particle, equivalent to the hypercharge minus the baryon number
- strike an attitude — to assume a posture or pose, often an affected or theatrical one
- strontium monoxide — a white insoluble solid substance used in making strontium salts and purifying sugar. Formula: SrO
- stroustrup, bjarne — Bjarne Stroustrup
- student councillor — a student who is a member of a council or body representing the interests of students at a school, university or college
- subordinate clause — a clause that modifies the principal clause or some part of it or that serves a noun function in the principal clause, as when she arrived in the sentence I was there when she arrived or that she has arrived in the sentence I doubt that she has arrived.
- subsistence farmer — a farmer who consumes most of the produce he grows, leaving little or nothing to be marketed
- sugarloaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- sun-dried tomatoes — tomatoes that have been dried or preserved by exposure to the sun
- super giant slalom — a slalom race in which the course is longer and has more widely spaced gates than in a giant slalom.
- superstring theory — any supersymmetric string theory in which each type of elementary particle is treated as a vibration of a single fundamental string (superstring) at a particular frequency.
- supporting actress — an actress playing a supporting role
- sustaining program — a radio or television program without a commercial sponsor.
- symmetric function — a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.
- take out insurance — take out insurance against something