18-letter words containing c, l, o, s
- publishing company — a firm which publishes books
- pull one's punches — to restrain the force of one's criticisms or actions
- pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
- pyrosulphuric acid — a fuming liquid acid made by adding sulphur trioxide to concentrated sulphuric acid. Formula: H2S2O7
- quality of service — (communications, networking) (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
- racial segregation — social policy: separation of races
- radical expression — an expression in which radical signs appear.
- real-estate office — the place where a real-estate agent works
- reflection density — a measure of the extent to which a surface reflects light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the reflectance
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- reprocessing plant — a plant where materials are treated in order to make them reusable
- residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
- resurrection plant — a desert plant, Selaginella lepidophylla, occurring from Texas to South America, having stems that curl inward when dry.
- reverse psychology — (in nontechnical use) a method of getting another person to do what one wants by pretending not to want it or to want something else or something more.
- rhodes scholarship — one of a number of scholarships at Oxford University, established by the will of Cecil Rhodes, for selected students (Rhodes scholars) from the British Commonwealth and the United States.
- rolling resistance — The rolling resistance of a wheel or ball is its resistance to movement caused by friction between it and the surface it is rolling on.
- rotary clothesline — an apparatus of radiating spokes that support lines on which clothes are hung to dry
- rubbish collection — the collection of domestic refuse for disposal
- sao caetano do sul — a city in SE Brazil, SE of São Paulo.
- schleswig-holstein — two contiguous duchies of Denmark that were a center of international tension in the 19th century: Prussia annexed Schleswig 1864 and Holstein 1866.
- schofield barracks — a town on central Oahu, in central Hawaii.
- scholarship holder — a person who, because of academic merit, receives financial aid for their studies
- school certificate — (in England and Wales between 1917 and 1951 and currently in New Zealand) a certificate awarded to school pupils who pass a public examination: the equivalent of GCSE
- school for scandal — a comedy of manners (1777) by Richard Brinsley Sheridan.
- school of motoring — a centre where people pay for lessons to learn to drive
- school-leaving age — the minimum age that children are legally allowed to leave school - in Britain and the United States, this is 16
- scottish blackface — a common breed of hardy mountain sheep having horns and a black face, kept chiefly on the mainland of Scotland
- seagate technology — (company) A major manufacturer of hard disk drives, founded in 1979 as "Shugart Technology" by Alan F. Shugart and Finis Conner. That name is on the original patents for the 5.25" hard disk drive. They changed the name to Seagate Technology soon after to avoid confusion, and also to avoid friction with Xerox, which had since purchased Alan's earlier company, Shugart Associates. Address: 920 Disc Drive, Scotts Valley, CA 95066, USA. Fax: +1 (408) 438 3320.
- second only to sth — If you say that something is second only to something else, you mean that only that thing is better or greater than it.
- second-hand dealer — a person who deals in second-hand things, such as cars, or furniture
- secondary diagonal — a diagonal line or plane.
- secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
- selective abortion — the aborting of particular embryos for medical or social reasons
- self-actualization — the achievement of one's full potential through creativity, independence, spontaneity, and a grasp of the real world.
- self-certification — statement of sick leave
- self-comprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- self-contemplation — the act or process of thinking about oneself or one's values, beliefs, behavior, etc.
- self-contradiction — an act or instance of contradicting oneself or itself.
- self-contradictory — an act or instance of contradicting oneself or itself.
- self-glorification — a glorified or more splendid form of something.
- self-gratification — the act of pleasing or satisfying oneself, especially the gratifying of one's own impulses, needs, or desires.
- self-incrimination — the act of incriminating oneself or exposing oneself to prosecution, especially by giving evidence or testimony.
- 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-justification — the act or fact of justifying oneself, especially of offering excessive reasons, explanations, excuses, etc., for an act, thought, or the like.
- self-mortification — the inflicting of pain or privation on oneself: He was certain that self-mortification was the only road to salvation.
- self-preoccupation — the state of being preoccupied.
- self-recrimination — the act of recriminating, or countercharging: Hope gave way to recrimination with both sides claiming the moral high ground.
- semi-microanalysis — any analytical method in which the weight of the sample is between 10 and 100 milligrams.
- senior high school — a school attended after junior high school and usually consisting of grades 10 through 12.
- sexual intercourse — genital contact, especially the insertion of the penis into the vagina followed by orgasm; coitus; copulation.