12-letter words containing m, a, s, c, r
- icbm address — (networking, humour) (Or "missile address") The form used to register a site with the Usenet mapping project includes a space for longitude and latitude, preferably to seconds-of-arc accuracy. This is actually used for generating geographically-correct maps of Usenet links on a plotter; however, it has become traditional to refer to this as one's "ICBM address" or "missile address", and many people include it in their sig block with that name. (A real missile address would include target altitude.)
- immoralistic — (somewhat, rare) Of or relating to immoralism.
- implicatures — Plural form of implicature.
- importancies — Plural form of importancy.
- imprecations — Plural form of imprecation.
- incendiarism — the act or practice of an arsonist; malicious burning.
- increasement — (rare) An increase; growth.
- incumbrances — Plural form of incumbrance.
- infomercials — Plural form of infomercial.
- insectariums — Plural form of insectarium.
- isochromatic — Optics. having the same color or tint.
- isodiametric — having equal diameters or axes.
- jasmine rice — an aromatic, flavorful long-grain rice of Asia, especially Thailand.
- lachrymosity — suggestive of or tending to cause tears; mournful.
- lacrimal sac — the dilated upper portion of the nasolacrimal duct that receives tears from the lacrimal ducts.
- latus rectum — the chord perpendicular to the principal axis and passing through a focus of an ellipse, parabola, or hyperbola.
- liposarcomas — Plural form of liposarcoma.
- macaberesque — resembling or suggestive of the danse macabre; macabre
- macassar oil — an oil derived from materials said to be obtained from Macassar, formerly used as a hairdressing.
- mackerel sky — an extensive group of cirrocumulus or altocumulus clouds, especially when well-marked in their arrangement: so called because of a resemblance to the scales on a mackerel.
- macro-cosmic — the great world or universe; the universe considered as a whole (opposed to microcosm).
- macrobiotics — a philosophically oriented program incorporating elements from several ancient cultures and emphasizing harmony with nature, especially through adherence to a diet consisting primarily of whole grains, beans, vegetables, and moderate amounts of seafood and fruit.
- macrocarpous — having large fruit.
- macrocytosis — The presence of macrocytes in the blood.
- macrofossils — Plural form of macrofossil.
- macrogametes — Plural form of macrogamete.
- macroglossia — Enlargement or hypertrophy of the tongue.
- macronucleus — the larger of the two types of nuclei occurring in ciliate protozoans, having a multiple set of chromosomes and functioning in cell metabolism and protein synthesis.
- 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.
- macropterous — having long or large wings or fins.
- macrosegment — a stretch of speech preceded and followed but not interrupted by a pause.
- magic square — a square containing integers arranged in an equal number of rows and columns so that the sum of the integers in any row, column, or diagonal is the same.
- magistracies — Plural form of magistracy.
- maid service — cleaner, cleaning business
- malefactress — a woman who violates the law or does evil.
- malpractices — Plural form of malpractice.
- manicure set — a set of small tools designed for trimming and caring for the nails
- manu-service — denoting a business that involves both the manufacture of goods and the provision of after-sales services
- manufactures — Plural form of manufacture.
- manuscriptal — (obsolete) Of or pertaining to manuscript.
- marcatissimo — in a heavily accented manner
- marcellus ii — (Marcello Cervini) 1501–55, Italian ecclesiastic: pope 1555.
- marconi mast — an elaborately stayed mast.
- marcus baker — Mount, a mountain in SE Alaska, near Anchorage: highest peak in the Chugach Mountains. 13,176 feet (4016 meters).
- mare clausum — a body of navigable water under the sole jurisdiction of a nation.
- mare crisium — (Sea of Crises) a dark plain in the first quadrant of the face of the moon: about 66,000 sq. mi. (170,000 sq. km).
- marine corps — a branch of the U.S. Armed Forces trained for land, sea, and air combat, typically for land combat in conjunction with an amphibious or airborne landing, and whose commandant is responsible to the secretary of the navy.
- market cross — a place in a town or village where a cross was set up and a regular market was held
- marketplaces — Plural form of marketplace.