13-letter words containing m, o, i, r, a
- mallemaroking — (historical, nautical) Carousing on icebound Greenland whaling ships.
- mammaliferous — containing the remains of mammals
- mandatoriness — The quality or state of being mandatory.
- mandibuliform — Having the form of a mandible; - said especially of the maxill\u00e6 of an insect when hard and adapted for biting.
- manganiferous — containing manganese.
- manufactories — Plural form of manufactory.
- mao inhibitor — any of various substances, as isocarboxazid and phenelzine, that block enzymatic breakdown of certain monoamine neurotransmitters: used to treat severe depression. Abbreviation: MAOI.
- marbleization — The process of marbleizing.
- marching song — a song with the rhythm of a march, esp sung by marching soldiers
- marchionesses — Plural form of marchioness.
- mare chronium — an area in the southern hemisphere of Mars, appearing as a dark region when viewed telescopically from the earth.
- 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).
- marginal cost — the cost of one additional unit of any item produced or bought in quantity.
- marginal note — aside
- mariposa lily — any lily of the genus Calochortus, of the western U.S. and Mexico, having tuliplike flowers of various colors.
- marketisation — Alternative spelling of marketization.
- marketization — The exposure of an industry or service to market forces.
- marriage vows — promises made as part of wedding ceremony
- marsh trefoil — buck bean.
- martagon lily — Turk's-cap lily.
- martyrization — The act or process of martyrizing.
- martyrologies — Plural form of martyrology.
- master policy — a single policy covering a group of people, typically employees of a company, issued to an employer.
- masticatories — Plural form of masticatory.
- 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.
- matchboarding — a construction of matchboards.
- material mode — the normal use of language that refers to extra-linguistic subjects without explicit mention of the words themselves. Fido is a dog is in the material mode, while "Fido" is a dog's name is in the formal mode
- matriculation — to enroll in a college or university as a candidate for a degree.
- matriculatory — relating to matriculation
- matrifocality — The state or condition of being matrifocal; matriarchy.
- matrimonially — In a matrimonial way.
- matripotestal — of or relating to the authority exercised by a mother or a mother's blood relatives.
- 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.
- medical board — a group of people qualified to give opinions on medical matters
- medium quarto — a size of book, about 9½ × 12 inches (24 × 30 cm), untrimmed. Abbreviation: medium 4to.
- megaherbivore — a large herbivore, such as an elephant, weighing more than 1000kg
- megasporangia — a sporangium containing megaspores.
- melodramatics — Melodramatic behavior, action, or writing.
- melodramatist — A writer of melodramas.
- melodramatize — to make melodramatic.
- memorabiliast — a person who collects mementos or souvenirs, as postcards or playbills.
- memorial park — cemetery.
- memorialising — Present participle of memorialise.
- memorializing — Present participle of memorialize.
- mephobarbital — The drug methylphenobarbital.
- mercerisation — A process of treating cotton with sodium hydroxide in order to make it more lustrous.
- mercerization — to treat (cotton yarns or fabric) with caustic alkali under tension, in order to increase strength, luster, and affinity for dye.