15-letter words containing a, c, m, e, s, t
- intercomparison — mutual comparison
- inverted commas — Inverted commas are punctuation marks that are used in writing to show where speech or a quotation begins and ends. They are usually written or printed as ' ' or " ". Inverted commas are also sometimes used around the titles of books, plays, or songs, or around a word or phrase that is being discussed.
- isoamyl acetate — a colorless liquid, C 7 H 14 O 2 , used in flavorings, perfumery, and as a solvent. Compare banana oil (def 1).
- isolated camera — a television camera used to isolate a subject, part of a sports play, etc., for instant replay.
- isoperimetrical — having equal perimeters
- kelmscott manor — a Tudor house near Lechlade in Oxfordshire: home (1871–96) of William Morris
- laser chemistry — the use of a laser to initiate and control chemical reactions.
- machinery steel — low-carbon steel that can be easily machined.
- macro-structure — the gross structure of a metal, as made visible to the naked eye by deep etching.
- macrostructures — Plural form of macrostructure.
- magnetic course — a course whose bearing is given relative to the magnetic meridian of the area.
- magnetic stripe — magnetic strip.
- make tracks for — to go or head towards
- male chauvinist — a male who patronizes, disparages, or otherwise denigrates females in the belief that they are inferior to males and thus deserving of less than equal treatment or benefit.
- manasseh cutler — Manasseh, 1742–1823, U.S. Congregational clergyman and scientist: promoted settlement of Ohio; congressman 1801–05.
- market research — investigation into consumers' needs
- market-research — to conduct market research on.
- martensitically — in a martensitic manner
- massed practice — learning with no intervals or short intervals between successive bouts of learning
- master corporal — a noncommissioned officer in the Canadian forces senior to a corporal and junior to a sergeant
- master cylinder — the hydraulic pump of an automotive braking system that contains a cylinder and one or two pistons, is actuated by the brake pedal, and supplies hydraulic fluid under pressure to the brakes at each wheel.
- master mechanic — a mechanic, especially one who is thoroughly skilled, in charge of other mechanics.
- mastoid process — a large, bony prominence on the base of the skull behind the ear, containing air spaces that connect with the middle ear cavity.
- mastoidectomies — Plural form of mastoidectomy.
- materialistical — Alternative form of materialistic.
- matrix sentence — Linguistics. a sentence in which another sentence is embedded: In The man who called is waiting, The man is waiting is a matrix sentence.
- mechanistically — of or relating to the theory of mechanism or to mechanists.
- mediastinoscopy — (medicine) A procedure for examining the inside of the mediastinum and the organs it encloses through a small incision, using an endoscope. This is a surgical procedure normally done under general anesthesia.
- medical history — the past background of a person in terms of health
- medical student — trainee doctor
- medical studies — a course of study leading to qualification as a doctor of medicine
- medical tourism — tourist travel for the purpose of receiving medical treatment or improving health or fitness: The spiraling cost of healthcare has contributed to the growth of medical tourism. Also called health tourism.
- menstrual cycle — (in women of reproductive age) the cycle of physiological changes affecting the reproductive organs that takes place typically over a month and includes ovulation, thickening of the lining of the womb and menstruation if fertilization of the egg has not occurred
- merchant seaman — a seaman who works on a merchant vessel.
- merry christmas — well-wishes for Christmas season
- messier catalog — a catalog of nonstellar objects compiled by Charles Messier in 1784 and later slightly extended, now known to contain nebulae, galaxies, and star clusters.
- metalinguistics — the study of the relation between languages and the other cultural systems they refer to.
- metallic luster — luster1 (def 8).
- metamathematics — the logical analysis of the fundamental concepts of mathematics, as number, function, etc.
- metatarsal arch — the short lateral arch of the foot formed by the heads of the metatarsal bones.
- michaelmas term — the autumn term at Oxford and Cambridge Universities, the Inns of Court, and some other educational establishments
- micrometastases — Plural form of micrometastasis.
- micrometastasis — The microscopic level action of metastasis, the spread of disease from the primary site to other areas.
- middle distance — Also called middle ground, middle plane. Fine Arts. the represented space between the foreground and background in paintings, drawings, etc.
- middle-distance — Also called middle ground, middle plane. Fine Arts. the represented space between the foreground and background in paintings, drawings, etc.
- mis-categorized — to arrange in categories or classes; classify.
- misappreciation — failure to appreciate something fully or properly
- misappreciative — not fully or properly appreciative
- miscegenational — of or relating to miscegenation
- mischaracterize — to mark or distinguish as a characteristic; be a characteristic of: Rich metaphors characterize his poetry.