16-letter words containing r, m, a, i
- magnetic equator — aclinic line.
- magnetic pyrites — Mineralogy. pyrrhotite.
- magneto-electric — of or relating to the induction of electric current or electromotive force by means of permanent magnets.
- magnetochemistry — the study of magnetic and chemical phenomena in their relation to one another.
- magnetoresistive — Of or pertaining to magnetoresistance.
- magnetostriction — a change in dimensions exhibited by ferromagnetic materials when subjected to a magnetic field.
- magnetostrictive — Of or pertaining to magnetostriction.
- magnolia warbler — a black and yellow wood warbler, Dendroica magnolia, of North America.
- maid of all work — a maid who does all types of housework
- mail-order house — a retail firm that conducts its business by receiving orders and shipping its merchandise through the mail and that supplies its customers with catalogs, circulars, etc.
- mainland britain — England, Wales, and Scotland excluding those adjacent islands governed from the mainland
- mainstream media — newspapers, magazines, television, and radio, as opposed to social media
- maintenance crew — a group of people who work together to keep a road, building, vehicle, or machine in good condition by regularly checking it and repairing it when necessary
- maintenance-free — requiring little or no maintenance: a maintenance-free swimming pool.
- maitre de ballet — ballet master.
- majority carrier — the entity responsible for carrying the greater part of the current in a semiconductor. In n-type semiconductors the majority carriers are electrons; in p-type semiconductors they are positively charged holes
- majority opinion — an opinion in a case that is shared by more than half of the members of a court
- majority verdict — a decision supported by more than half, but not all, the jury
- make a pitch for — to give verbal support to
- make a virtue of — If you make a virtue of something, you pretend that you did it because you chose to, although in fact you did it because you had to.
- make the running — If someone is making the running in a situation, they are more active than the other people involved.
- malapportionment — (of a state or other political unit) poorly apportioned, especially divided, organized, or structured in a manner that prevents large sections of a population from having equitable representation in a legislative body.
- male-voice choir — a choir of male singers
- maleic anhydride — a colorless crystalline, unsaturated compound, C 4 H 2 O 3 , that is soluble in acetone and hydrolyzes in water: used in the production of polyester resins, pesticides, and fumaric and tartaric acids.
- maleic hydrazide — a crystalline compound, C 4 N 2 H 4 O 2 , used as a plant growth inhibitor and weed-killer.
- mallowpuff māori — a Māori who is considered to behave like a white person
- malpighian layer — the deep, germinative layer of the epidermis.
- malpractice suit — a lawsuit brought against a professional accused of illegal or unethical practices or neglect of duty
- mammographically — Using a mammograph, by means of mammograph.
- man booker prize — an annual prize for a work of Commonwealth or Irish fiction of £50,000, awarded as the Booker Prize from 1969–2002
- man-eating shark — any shark known to attack humans, especially the great white shark, Carcharodon carcharias.
- managerial staff — staff in positions of management
- mandarin chinese — the official language of China since 1917; the form of Chinese spoken by about two thirds of the population and taught in schools throughout China
- manic depression — bipolar disorder.
- manic-depressive — suffering from bipolar disorder.
- mare serenitatis — (Sea of Serenity) a dark plain in the first quadrant of the face of the moon: about 120,000 sq. mi. (310,000 sq. km).
- margin of safety — therapeutic index.
- marginal costing — a method of cost accounting and decision making used for internal reporting in which only marginal costs are charged to cost units and fixed costs are treated as a lump sum
- marginal utility — the extra utility or satisfaction derived by a consumer from the consumption of the last unit of a commodity.
- mari el republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Yoshkar-Ola. Pop: 728 000 (2002). Area: 23 200 sq km (8955 sq miles)
- maria de' medici — French name Marie de Médicis. 1573–1642, queen of France (1600–10) by marriage to Henry IV of France; daughter of Francesco, grand duke of Tuscany. She became regent for her son (later Louis XIII) but continued to wield power after he came of age (1614). She was finally exiled from France in 1631 after plotting to undermine Richelieu's influence at court
- marie antoinette — Marie [muh-ree;; French ma-ree] /məˈri;; French maˈri/ (Show IPA), 1755–93, queen of France 1774–93: wife of Louis XVI.
- marie de medicis — 1573–1642, queen of Henry IV of France: regent 1610–17.
- marine barometer — a barometer for use on shipboard, especially one mounted on gimbals so as to minimize the effects of the motion of the vessel.
- marine biologist — scientist who studies sea life
- marine insurance — ocean marine insurance.
- marine scientist — a scientist concerned with the sea
- maritime command — the naval branch of the Canadian armed forces
- market gardening — Chiefly British. truck farm.
- marriage customs — the acts that are traditionally done in connection with a marriage