18-letter words containing c, o, s, t, u

sequence of tenses — the sequence according to which the tense of a subordinate verb in a sentence is determined by the tense of the principal verb, as in I believe he is lying, I believed he was lying, etc
sexual intercourse — genital contact, especially the insertion of the penis into the vagina followed by orgasm; coitus; copulation.
shipping documents — documents relating to the sending of a shipment of goods, for example containing details of contents, weight, value etc.
shotgun microphone — a directional microphone with a narrow-angle range of sensitivity.
shugart associates — (company) The disk drive company, founded by Alan F. Shugart, which developed SCSI. Alan left Shugart Associates in 1974 [did he quit or was he fired?]. Shugart Associates was bought, and eventually shut down by Xerox.
shugart technology — Seagate Technology
six-finger country — an isolated area considered as being inhabited by people who practise inbreeding
small claims court — a special court established to handle small claims or debts, usually without the services of lawyers.
small-claims court — a special court established to handle small claims or debts, usually without the services of lawyers.
so much the better — You can say 'so much the better' or 'all the better' to indicate that it is desirable that a particular thing is used, done, or available.
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.
sodium thiocyanate — a white powder or colorless, deliquescent crystals, NaSCN, used chiefly in organic synthesis and in medicine in the treatment of hypertension.
soft touch sealing — Soft touch sealing is a copolymer seal for a tank, with characteristics designed for softness, used instead of a metal seal to help avoid fire when sparks are generated.
solubility product — the maximum number of undissociated ions, of an electrolyte in a saturated solution, capable at a given temperature of remaining in equilibrium with the undissolved phase of the solution.
sound spectrograph — an electronic device for recording a sound spectogram.
south saskatchewan — a river in W Canada, flowing E from S Alberta and joining the North Saskatchewan River to form the Saskatchewan River. 865 miles (1392 km) long.
southern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
spaghetti junction — an interchange, usually between motorways, in which there are a large number of underpasses and overpasses and intersecting roads used by a large volume of high-speed traffic
special prosecutor — (formerly) an independent counsel.
spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
spectrofluorometer — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
statutory sick pay — the pay an employee is legally entitled to when sick
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.
structural formula — a chemical formula showing the linkage of the atoms in a molecule diagrammatically, as H–O–H.
structural geology — the branch of geology dealing with the structure and distribution of the rocks that make up the crust of the earth. Also called tectonics. Compare structure (def 7a).
student councillor — a student who is a member of a council or body representing the interests of students at a school, university or college
sub-classification — to arrange in subclasses.
subatomic particle — physics:
subject complement — a word or a group of words, usually functioning as an adjective or noun, that is used in the predicate following a copula and describes or is identified with the subject of the sentence, as sleepy in The travelers became sleepy.
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.
super royal octavo — a book size, 63⁄4 by 101⁄4 inches
supporting actress — an actress playing a supporting role
surface-to-surface — (of a missile, message, etc.) capable of traveling from a base on the surface of the earth to a target also on the surface.
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
telecommunications — Sometimes, telecommunication. (used with a singular verb) the transmission of information, as words, sounds, or images, usually over great distances, in the form of electromagnetic signals, as by telegraph, telephone, radio, or television.
the south atlantic — the part of the Atlantic Ocean that lies to the south of the equator
the uncircumcision — the gentiles
thermoluminescence — phosphorescence produced by the heating of a substance.
thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
to be caught short — If you are caught short or are taken short, you feel a sudden strong need to urinate, especially when you cannot easily find a toilet.
to close your mind — If you close your mind to something, you deliberately do not think about it or pay attention to it.
to come unstitched — to go wrong or awry
to cool your heels — If you are cooling your heels, someone is deliberately keeping you waiting, so that you get bored or impatient.
to cross your mind — If you say that an idea or possibility never crossed your mind, you mean that you did not think of it.
to cut the mustard — If someone does not cut the mustard, their work or their performance is not as good as it should be or as good as it is expected to be.
to watch your step — If someone tells you to watch your step, they are warning you to be careful about how you behave or what you say so that you do not get into trouble.
turn one's back on — the rear part of the human body, extending from the neck to the lower end of the spine.
two-colour process — (in early colour photography) a method of printing which uses superimposed red and green images

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