18-letter words containing m, c, p
- september massacre — (in the French Revolution) the massacre of royalists and other inmates of the prisons of Paris, September 2–6, 1792.
- service department — a repair shop
- 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.
- sleeping policeman — a bump built across roads, esp in housing estates, to deter motorists from speeding
- sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
- spackling compound — spackle
- special assessment — a tax levied by a local government on private property to pay the cost of local public improvements, as sidewalk construction or sewage disposal, that are of general benefit to the property taxed.
- specimen signature — a signature to be compared to an original signature in order to verify someone's identity
- spectrocolorimetry — the quantitative measure of colors by spectrophotometry.
- 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.
- spectropolarimeter — an instrument for determining the extent to which plane-polarized light of various wavelengths is rotated by certain solutions, consisting of a combination of a spectroscope and a polarimeter.
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- st. james's palace — a palace in London, England: the royal residence from the time of Henry VIII until the accession of Victoria.
- 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.
- subsidiary company — a company whose controlling interest is owned by another company.
- summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
- surveyor's compass — an instrument used by surveyors for measuring azimuths.
- sympathetic strike — sympathy strike.
- sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
- symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
- systematic phoneme — a phonological unit in generative phonology representing an underlying form that takes into account the relationship between phonological patterns and morphological variation, as the unit underlying the second vowel in both derive and derivative.
- talent competition — a contest in which people compete by showcasing their talents, for example in singing, dancing, acrobatics, etc
- teaching equipment — teaching aids
- television company — a company that broadcasts programmes by television
- the family compact — the ruling oligarchy in Upper Canada in the early 19th century
- under-compensation — to compensate or pay less than is fair, customary, or expected.
- unfair competition — acts done by a seller to confuse or deceive the public with intent to acquire a larger portion of the market, as by cutting prices below cost, misleading advertising, selling a spurious product under a false identity, etc.
- unit magnetic pole — the unit of magnetic pole strength equal to the strength of a magnetic pole that repels a similar pole with a force of one dyne, the two poles being placed in a vacuum and separated by a distance of one centimeter.
- upper middle class — wealthy, highly-educated people
- urban contemporary — popular dance music incorporating elements of rap, rhythm-and-blues, funk, and soul.
- video compact disc — (storage) (VCD) A storage format used for film distribution.
- wattless component — Electricity. reactive component.
- world championship — an international competition in a particular sport or activity for people all around the world
- x-ray spectrometer — a spectrometer using x-rays to activate the inner electrons of an atom in order to separate and identify the chemical constituents of a substance and their concentrations.
- x-ray spectrometry — the use of an x-ray spectrometer.