11-letter words containing m, a, r, c, h
- mammy chair — a slinglike device for raising or lowering passengers to and from ships anchored away from the shore in a heavy swell.
- march break — a school holiday, usually for a week, during March
- march brown — an angler's name for the dun and spinner of various mayflies or an artificial fly imitating one of these
- march-order — to prepare (personnel, arms, and equipment) for a march.
- marcheshvan — Heshvan.
- marchioness — marquise (defs 1, 2).
- marsh cress — any cress belonging to the genus Rorippa, of the mustard family, especially R. islandica, that grows in marshy areas in North America and Eurasia.
- marsh tacky — a small, sometimes half-wild horse of the coastal marshes.
- matchboards — Plural form of matchboard.
- matchmakers — Plural form of matchmaker.
- matriarchal — the female head of a family or tribal line.
- matriarchic — Matriarchal.
- mccarthyism — the practice of making accusations of disloyalty, especially of pro-Communist activity, in many instances unsupported by proof or based on slight, doubtful, or irrelevant evidence.
- mechatronic — relating to mechatronics
- mechitarist — a member of an order of Armenian monks founded in Constantinople in the 18th century and following the rule of St. Benedict.
- meerschaums — Plural form of meerschaum.
- melanochroi — a postulated subdivision of the Caucasoid race, characterized by dark hair and pale complexion
- merchandise — the manufactured goods bought and sold in any business.
- merchandize — Alternative spelling of merchandise.
- merchanting — the act of selling commodities
- merchantman — a trading ship.
- merchantmen — Plural form of merchantman.
- metachronal — Describing the wavelike beating of a group of cilia.
- metachrosis — the ability of some animals, such as chameleons, to change their colour
- metamorphic — pertaining to or characterized by change of form, or metamorphosis.
- metanephric — one of the three embryonic excretory organs of higher vertebrates, becoming the permanent and functional kidney.
- metatrophic — requiring dead organic matter for food.
- methacrylic — denoting a type of acid
- michigander — a native or inhabitant of Michigan.
- microcephal — a person with microcephaly
- micrographs — Plural form of micrograph.
- micrography — the description or delineation of microscopic objects.
- microphages — Plural form of microphage.
- middlemarch — a novel (1871–72) by George Eliot.
- mischarging — Present participle of mischarge.
- mispurchase — to acquire by the payment of money or its equivalent; buy.
- mithramycin — A particular antibiotic drug.
- monarchical — of, like, or pertaining to a monarch or monarchy.
- monarchists — Plural form of monarchist.
- monochromat — One whose vision exhibits monochromacy; one who is completely color blind.
- monographic — a treatise on a particular subject, as a biographical study or study of the works of one artist.
- mothercraft — skill and knowledge in looking after children
- motor coach — a coach driven by an internal-combustion engine
- mr. charlie — a white man or white men collectively
- mycorrhizae — Plural form of mycorrhiza.
- mycorrhizas — Plural form of mycorrhiza.
- nonharmonic — pertaining to harmony, as distinguished from melody and rhythm.
- norman arch — a semicircular arch, esp one in the Romanesque style of architecture developed by the Normans in England
- pachydermal — having the characteristics of a pachyderm
- pachydermia — an abnormal thickening of the skin