13-letter words containing g, o, r
- luxembourgian — of or relating to Luxembourg, its people, or their language.
- luxembourgish — Also, Luxembourgish [luhk-suh m-bur-gish] /ˈlʌk səmˌbɜr gɪʃ/ (Show IPA). Letzeburgesch.
- lymphographic — of or relating to lymphography
- macro-segment — a stretch of speech preceded and followed but not interrupted by a pause.
- macrodiagonal — the longer of two diagonals
- macroglobulin — A plasma globulin of high molecular weight.
- macroorganism — an organism that can be seen with the naked eye.
- magnesiferous — (geology) Containing magnesium.
- magnetic core — Computers. core1 (def 12a).
- magnetiferous — (dated) Producing or conducting magnetism.
- magnetographs — Plural form of magnetograph.
- magnetometers — Plural form of magnetometer.
- magnetometric — Pertaining to, or employed in, the measurement of magnetic forces; obtained by means of a magnetometer; as, 'magnetometric' instruments; 'magnetometric' measurements.
- magnetosphere — the outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts. Compare magnetopause.
- major general — a military officer ranking next below a lieutenant general and next above a brigadier general.
- major leaguer — either of the two main professional baseball leagues in the U.S.
- major-leaguer — a member of a major-league team.
- malariologist — An expert in malaria.
- mallemaroking — (historical, nautical) Carousing on icebound Greenland whaling ships.
- malonyl group — the bivalent group C 3 H 2 O 2 , derived from malonic acid.
- manganiferous — containing manganese.
- mangrove jack — a predatory food and game fish, Lutjanus argentimaculatus, of Australian rivers and tidal creeks dominated by mangroves
- marching song — a song with the rhythm of a march, esp sung by marching soldiers
- mare frigoris — (Sea of Cold) a dark plain in the northern hemisphere, in the first and second quadrants of the face of the moon: about 55 miles (90 km) wide at its narrowest width and 750 miles (1200 km) long: about 67,000 sq. mi. (174,000 sq. km).
- margaret rose — 1930–2002, English princess (daughter of George VI; sister of Elizabeth II).
- marginal cost — the cost of one additional unit of any item produced or bought in quantity.
- marginal note — aside
- marriage vows — promises made as part of wedding ceremony
- martagon lily — Turk's-cap lily.
- martyrologies — Plural form of martyrology.
- mastigophoran — Also, mastigophore [mas-ti-guh-fawr, -fohr] /ˈmæs tɪ gəˌfɔr, -ˌfoʊr/ (Show IPA). a protozoan of the phylum Mastigophora.
- mastigophoric — Carrying or wielding a whip.
- matagorda bay — a bay in SE Texas, at the mouth of the Colorado River, separated from the Gulf of Mexico by the Matagorda Peninsula. About 50 miles (80 km) long.
- matchboarding — a construction of matchboards.
- me generation — the generation, originally in the 1970s, characterized by self-absorption; in the 1980s, characterized by material greed
- measuring rod — ruler, gauge, stick for measuring
- measuringworm — the larva of any geometrid moth, which progresses by bringing the rear end of the body forward and then advancing the front end.
- megacaryocyte — Alternative form of megakaryocyte.
- megaherbivore — a large herbivore, such as an elephant, weighing more than 1000kg
- megakaryocyte — a large bone-marrow cell having a lobulate nucleus, regarded as the source of blood platelets.
- megasporangia — a sporangium containing megaspores.
- megasporocyte — a diploid cell in plants that undergoes meiosis to create four haploid megaspores.
- megawatt hour — a unit of energy equal to the work done by a power of a million watts in one hour
- memorialising — Present participle of memorialise.
- memorializing — Present participle of memorialize.
- merrythoughts — Plural form of merrythought.
- message board — bulletin board system
- messenger boy — A messenger boy is a boy who is employed to take messages to people.
- metagrobolize — to mystify or puzzle
- metallography — the study of the structure of metals and alloys by means of microscopy.