18-letter words containing m, o, c, a
- stomach sweetbread — sweetbread (def 1).
- structural formula — a chemical formula showing the linkage of the atoms in a molecule diagrammatically, as H–O–H.
- subatomic particle — physics:
- 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.
- 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
- tectorial membrane — membrane in the inner ear that covers the organ of Corti
- tele-communication — 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.
- 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.
- television company — a company that broadcasts programmes by television
- tetrachloromethane — carbon tetrachloride.
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the family compact — the ruling oligarchy in Upper Canada in the early 19th century
- thermonuclear bomb — hydrogen bomb.
- thioantimonic acid — a hypothetical acid, H3SbS4, known only in the form of its salts
- 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 fall from grace — If someone falls from grace, they suddenly stop being successful or popular.
- to meet your match — If you meet your match, you find that you are competing or fighting against someone who you cannot beat because they are as good as you, or better than you.
- to take the mickey — If you take the mickey out of someone or something, you make fun of them, usually in an unkind way.
- track geometry car — a railroad car equipped with instruments for providing a continuous printed record of the cross level, gauge, alignment, warp, curvature, and bank of a track.
- transmogrification — to change in appearance or form, especially strangely or grotesquely; transform.
- two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
- 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.
- urban contemporary — popular dance music incorporating elements of rap, rhythm-and-blues, funk, and soul.
- victor emmanuel ii — 1820–78, king of Sardinia 1849–78; first king of Italy 1861–78.
- video compact disc — (storage) (VCD) A storage format used for film distribution.
- watchdog committee — a committee responsible for monitoring standards of behaviour
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- wattless component — Electricity. reactive component.
- what has become of — If you wonder what has become of someone or something, you wonder where they are and what has happened to them.
- white-collar crime — any of various crimes, as embezzlement, fraud, or stealing office equipment, committed by business or professional people while working at their occupations.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- wingback formation — single wingback formation.
- world championship — an international competition in a particular sport or activity for people all around the world
- writ of attachment — a document by which a court orders the seizing of property in order to ensure satisfaction of a judgement
- 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.