13-letter words containing a, c, m, e, s, t
- magnetooptics — the branch of physics that deals with magnetooptic phenomena.
- magnetostatic — Of or pertaining to magnetostatics.
- magnus effect — the thrust on a cylinder rotating about its axis while in motion in a fluid, the thrust being perpendicular to the relative motion of the cylinder in the fluid.
- maiden castle — an ancient fortification in Dorsetshire, England, first erected c250 b.c. over the remains of Neolithic and Bronze Age settlements of c2000–c1500 b.c.
- maltese cross — a cross having four equal arms that expand in width outward.
- manon lescaut — a novel (1731) by Antoine François Prévost.
- manufactories — Plural form of manufactory.
- manufacturers — Plural form of manufacturer.
- mare nectaris — (Sea of Nectar) a dark plain in the fourth quadrant of the face of the moon: about 26,000 sq. mi. (67,000 sq. km).
- market forces — factors driving the economy
- masculinities — Plural form of masculinity.
- mass catering — the trade of supplying food and drink to large numbers of customers at the same time
- mass spectrum — a spectrum of charged particles, arranged in order of mass or mass-to-charge ratios.
- massachusetts — a state in the NE United States, on the Atlantic coast. 8257 sq. mi. (21,385 sq. km). Capital: Boston. Abbreviation: MA (for use with zip code), Mass.
- master policy — a single policy covering a group of people, typically employees of a company, issued to an employer.
- master switch — a switch that can be used to turn on or off the supply of electricity to a building or to certain equipment
- masterclasses — Plural form of masterclass.
- masticatories — Plural form of masticatory.
- mastoidectomy — the removal of part of a mastoid process, usually for draining an infection.
- match fitness — the condition of being match-fit
- matchlessness — The state or condition of being matchless.
- materialistic — excessively concerned with physical comforts or the acquisition of wealth and material possessions, rather than with spiritual, intellectual, or cultural values.
- maternalistic — of, pertaining to, having the qualities of, or befitting a mother: maternal instincts.
- mathematicism — the belief that everything can be explained in mathematical terms
- mean distance — the arithmetic mean of the greatest and least distances of a planet from the sun, used in stating the size of an orbit; the semimajor axis.
- meat products — foods that consist of or contain meat
- mechanisation — Alternative spelling of mechanization.
- medicamentous — of or relating to medicaments
- megaloblastic — an abnormally large, immature, and dysfunctional red blood cell found in the blood of persons with pernicious anemia or certain other disorders.
- megasporocyte — a diploid cell in plants that undergoes meiosis to create four haploid megaspores.
- megastructure — a very large, usually high-rise building or a complex of such buildings used for many purposes, as for apartments, offices, stores, theaters, and athletic facilities.
- melodramatics — Melodramatic behavior, action, or writing.
- mercerisation — A process of treating cotton with sodium hydroxide in order to make it more lustrous.
- merchant fees — Merchant fees are money charged by a merchant service to a vendor for processing credit card transactions.
- merchant ship — law: commercial vessel
- meritocracies — Plural form of meritocracy.
- mesaticephaly — the state or condition of being mesaticephalic or mesocephalic
- mescal button — one of the dried, buttonlike tops of a mescal of the genus Lophophora, used as a hallucinogen, especially by certain Indians of Mexico and the southwestern U.S. during religious ceremonies; peyote.
- message stick — a stick bearing carved symbols, carried by a native Australian as identification
- metachromasia — A characteristic change in the colour of staining carried out in biological tissues, exhibited by certain aniline dyes when they bind to particular substances present in these tissues, called chromotropes.
- metafunctions — Plural form of metafunction.
- metaheuristic — An experimental heuristic method for solving a general class of computational problems by combining user procedures in the hope of obtaining a more efficient or robust procedure.
- metallic lens — an arrangement of louvres used to direct and focus electromagnetic or sound waves
- metallic soap — any usually water-insoluble salt formed by the interaction of a fatty acid and a metal, especially lead or aluminum: used chiefly as a drier in paints and varnishes and for waterproofing textiles.
- metaphysician — a person who creates or develops metaphysical theories.
- metaphysicist — a person who creates or develops metaphysical theories.
- metaphysicize — to think, write, etc, metaphysically
- metasemantics — (linguistics) The part of metalanguage that deals with semantics.
- methodistical — Methodistic.
- michelin star — a mark of distinction awarded by the Michelin travel guides to a restaurant in recognition of the high quality of its cooking. A restaurant may receive one, two, or three stars, representing very good, exceptional, or exquisite cuisine, respectively