15-letter words containing g, o, r, i
- lost generation — the generation of men and women who came of age during or immediately following World War I: viewed, as a result of their war experiences and the social upheaval of the time, as cynical, disillusioned, and without cultural or emotional stability.
- low archipelago — a group of French islands in the S Pacific. 332 sq. mi. (860 sq. km).
- lowland gorilla — the eastern lowland gorilla or western lowland gorilla. See under gorilla.
- lubricating oil — an oily substance that is used to cover or treat machinery so as to lessen friction
- lucrezia borgia — Cesare [che-zah-re] /ˈtʃɛ zɑ rɛ/ (Show IPA), 1476?–1507, Italian cardinal, military leader, and politician.
- luminous energy — light1 (def 2a).
- macro-sociology — the sociological study of large-scale social systems and long-term patterns and processes.
- macrosporangium — megasporangium.
- magic mushrooms — a mushroom, Psilocybe mexicana, of Mexico and the southwestern U.S., containing the hallucinogen psilocybin.
- magnesioferrite — (mineralogy) A magnesium iron oxide mineral, a member of the magnetite series of spinels, which forms black metallic octahedral crystals.
- magnetic course — a course whose bearing is given relative to the magnetic meridian of the area.
- magnetic mirror — a region in a magnetic bottle where the magnetic field increases abruptly, causing charged particles that enter it to be reflected.
- magnetoelectric — of or relating to the induction of electric current or electromotive force by means of permanent magnets.
- malacopterygian — belonging or pertaining to the Malacopterygii (Malacopteri), a group of soft-finned, teleost fishes.
- managing editor — an editor assigned to the supervision and coordination of certain editorial activities of a newspaper, magazine, book publishing company, or the like. Abbreviation: M.E., m.e.
- mandarin orange — mandarin (def 4).
- marching orders — military orders, esp to infantry, giving instructions about a march, its destination, etc
- margaritiferous — yielding or wearing pearls
- margin of error — statistics: variance
- marginalisation — (British) alternative spelling of marginalization.
- marginalization — to place in a position of marginal importance, influence, or power: the government's attempts to marginalize criticism and restore public confidence.
- marigold window — wheel window.
- marriage broker — a person who arranges marriages, usually between strangers, for a fee.
- measuring spoon — a spoon for measuring amounts, as in cooking, usually part of a set of spoons of different sizes.
- megacorporation — a giant company formed from two or more large companies or a number of companies of various sizes.
- 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.
- metallo-organic — organometallic.
- metric topology — a topology for a space in which open sets are defined in terms of a given metric.
- microaggression — a subtle but offensive comment or action directed at a minority or other nondominant group that is often unintentional or unconsciously reinforces a stereotype: microaggressions such as "I don't see you as black.".
- microangiopathy — any disease of the small blood vessels.
- microbiological — Of or pertaining to microbiology.
- microbiologists — Plural form of microbiologist.
- microcentrifuge — A centrifuge used in laboratories to separate materials from small samples (especially of biological material).
- microgametocyte — a gametocyte that produces microgametes
- microgeneration — the small-scale generation of electrical power, through means such as solar or wind power
- microhomologous — (genetics) Exhibiting microhomology.
- micromanagement — The direct management of a project etc to an excessive degree, with too much attention to detail and insufficient delegation.
- micromorphology — the study of the form and structure of organisms at a microscopic level
- micropegmatitic — relating to, or designating, a microscopic pegmatitic structure
- microphotograph — microfilm (def 1).
- microprocessing — an integrated computer circuit that performs all the functions of a CPU.
- micropublishing — the publishing of material in microfilm
- microradiograph — an enlarged version of an image obtained by a form of radiography that reveals minute details
- microsporangium — a sporangium containing microspores.
- microtechnology — technology that uses microelectronics
- microtopography — microrelief.
- microtunnelling — a technique used to excavate tunnels mechanically for the laying of pipes
- mid-ocean ridge — any of several seismically active submarine mountain ranges that extend through the Atlantic, Indian, and South Pacific oceans: each is hypothesized to be the locus of seafloor spreading.
- mignonette tree — henna (sense 1)
- miles gloriosus — a braggart soldier, esp as a stock figure in comedy