18-letter words containing a, r, m, o
- merchant of venice — a comedy (1596?) by Shakespeare.
- mercury-vapor lamp — a lamp producing a light with a high actinic and ultraviolet content by means of an electric arc in mercury vapor.
- mergui archipelago — a group of over 200 islands in the Andaman Sea, off the Tenasserim coast of S Myanmar: mountainous and forested
- metabolic syndrome — Pathology. a group of medical conditions present simultaneously in a patient, as high blood pressure, low HDL cholesterol levels, and an excess of abdominal fat, that increases a person's risk of heart disease, stroke, and diabetes. Also called insulin resistance syndrome.
- metamorphic facies — Geology. a group of metamorphic rock units characterized by particular mineralogic associations.
- mezzo-soprano clef — a C clef locating middle C on the line next to the lowest line of the staff.
- microcrystallinity — The condition of being microcrystalline.
- microencapsulation — the process of enclosing chemical substances in microcapsules.
- microenvironmental — Pertaining to a microenvironment.
- microgravitational — Of or pertaining to microgravitation.
- microinvertebrates — Plural form of microinvertebrate.
- micrometer caliper — calipers with a micrometer screw, for extremely accurate measurement
- micrometer-caliper — any of various devices for measuring minute distances, angles, etc., as in connection with a telescope or microscope.
- microminiaturizing — Present participle of microminiaturize.
- micropalaeontology — the branch of palaeontology concerned with the study of microscopic fossils
- microsoft exchange — (messaging) Microsoft's messaging and enterprise collaboration server. Exchange's primary role is as an electronic mail message store but it can also store calendars, task lists, contact details, and other data.
- microwave detector — a device for recording the speed of a motorist
- microwave spectrum — a spectrum of electromagnetic radiations whose wavelengths fall in the microwave range.
- middle-of-the-road — favoring, following, or characterized by an intermediate position between two extremes, especially in politics; moderate.
- midstream operator — A midstream operator is a company that gathers, transports, and processes natural gas or oil.
- military policeman — A military policeman is a member of the military police.
- mineralocorticoids — Plural form of mineralocorticoid.
- minister of health — a person appointed to head the government department of health
- minor tranquilizer — antianxiety drug.
- minority programme — a programme that appeals to a minority of the available audience
- misinterpretations — Plural form of misinterpretation.
- misplaced modifier — Grammar. a word, phrase, or clause that seems to refer to or modify an unintended word because of its placement in a sentence, as when young in When young, circuses appeal to all of us.
- misrepresentations — Plural form of misrepresentation.
- misunderestimation — (nonstandard) An inaccurate underestimation, or an act of misunderestimating.
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
- molecular genetics — a subdivision of genetics concerned with the structure and function of genes at the molecular level.
- molecular medicine — the study of disease or injury at the molecular or cellular level.
- molecular spectrum — the spectrum of light emitted or absorbed by a species of molecule.
- monetary aggregate — a measure of the money in circulation.
- monographic series — a series of monographs issued in uniform style or format and related by subject or by issuing agency.
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
- monte carlo method — a technique for numerically approximating the solution of a mathematical problem by studying the distribution of some random variable, often generated by a computer.
- monterosso al mare — a group of five coastal villages (Monterosso al Mare, Vernazza, Corniglia, Manarola, and Riomaggiore) on the Ligurian Sea in NW Italy, near La Spezia.
- montgomery village — a city in central Maryland.
- mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- morning-after pill — a contraceptive pill containing only an estrogen and used by women within a few hours after sexual intercourse.
- morphine addiction — the fact or condition of being addicted to morphine
- mortgage insurance — policy to compensate for property loan payments
- moscow art theater — a Russian theatrical company founded in 1898 principally by Konstantin Stanislavski and famous for its naturalistic acting.
- motor torpedo boat — PT boat.
- mountain cranberry — cowberry
- movers and shakers — a person or thing that moves.
- moving bed reactor — A moving bed reactor is a reactor in which a layer of catalyst in the form of granules is moved between a reaction area and a regeneration area.
- mucopolysaccharide — (formerly) glycosaminoglycan.