12-letter words containing h, o, a
- mackintoshes — Plural form of mackintosh.
- macrocephaly — Cephalometry. being or having a head with a large cranial capacity.
- macroetching — to etch deeply into the surface of (a metal).
- macrophagous — (of an animal) feeding on relatively large particles of food
- macrophysics — the branch of physics that deals with physical objects large enough to be observed and treated directly.
- macroweather — Longer term average weather, covering period of length between that of weather and climate.
- magnetograph — a recording magnetometer, used especially for recording variations in the earth's magnetic field.
- magnotherapy — Any of several alternative medicine therapies using magnetism.
- make history — do sth of great significance
- make much of — great in quantity, measure, or degree: too much cake.
- make whoopee — make whoopee, to engage in uproarious merrymaking.
- mallophagous — of or relating to any wingless insect of the order Mallophaga
- malnourished — poorly or improperly nourished; suffering from malnutrition: thin, malnourished victims of the famine.
- mammographic — Of, or pertaining to, mammography.
- manuka honey — honey from the nectar of the manuka tree, often used for medicinal purposes; known as active manuka honey if it has a UMF rating of over 10.
- mapplethorpe — Robert, 1946–89, U.S. photographer.
- marconigraph — (dated) wireless telegraph.
- mare humorum — (Sea of Moisture) a dark plain in the third quadrant of the face of the moon: about 45,000 sq. mi. (117,000 sq. km).
- marimbaphone — (obsolete, music) A kind of percussion idiophone, like the marimba but with steel keys instead of wood, developed in early 20th century United States.
- markov chain — a Markov process restricted to discrete random events or to discontinuous time sequences.
- marsh mallow — an Old World mallow, Althaea officinalis, having pink flowers, found in marshy places.
- marsh orchid — any of various orchids of the genus Dactylorhiza, growing in damp places and having mostly purplish flowers
- marshalltown — a city in central Iowa.
- marshmallows — Plural form of marshmallow.
- marshmallowy — Similar to a marshmallow.
- massotherapy — treatment by massage.
- mastigophora — a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals.
- mastigophore — Any flagellate of the phylum Mastigophora.
- matopo hills — the granite hills south of Bulawayo, Zimbabwe, where Cecil Rhodes chose to be buried
- mechatronics — The synergistic combination of mechanical engineering, electronic engineering and software engineering for the study of automata from an engineering perspective and the control of advanced hybrid systems.
- medal-holder — a person who has won a medal
- mediatorship — the position of a mediator
- meganthropus — a proposed genus of extinct, late lower Pleistocene primates based on two large lower jaws found in Java, and believed to be either Australopithecine or human.
- melancholiac — affected with melancholia.
- melancholics — Plural form of melancholic.
- melancholies — a gloomy state of mind, especially when habitual or prolonged; depression.
- melanochroic — Melanochroid
- melanophores — Plural form of melanophore.
- melliphagous — (of an animal) feeding on honey
- memory smash — (jargon) A Xerox PARC term for writing to the location addressed by a dangling pointer.
- memphremagog — Lake, a lake on the boundary between the U.S. and Canada, between N Vermont and S Quebec. 30 miles (48 km) long.
- mesocephalic — having a head with a cephalic index between that of dolichocephaly and brachycephaly.
- mesognathous — having medium, slightly protruding jaws.
- mesolecithal — centrolecithal.
- mesothelioma — a malignant tumor of the covering of the lung or the lining of the pleural and abdominal cavities, often associated with exposure to asbestos.
- metachronism — An error in chronological ordering in which a character or an event is placed at too late a time.
- metachronous — Medicine/Medical. occurring at a different time than a similar event: metachronous tumors.
- metagnathous — Ornithology. having the tips of the mandibles crossed, as the crossbills.
- metal polish — cleaning fluid designed to clean, polish or add shine to metal
- metallograph — a microscope for observing the microstructure of metals.