16-letter words containing r, m, a, i
- marriage licence — an official document stating that a marriage will be allowed to take place
- marriage license — permit to marry
- marriage partner — a person you are married to
- marriage portion — dowry.
- married quarters — the housing provided on a military base for married servicemen or servicewomen
- marseille prolog — (language) One of the two main dialects of Prolog, the other being Edinburgh Prolog. The difference is largely syntax. The original Marseille Interpreter (1973) was written in Fortran.
- marsh cinquefoil — a variety of cinquefoil, Potentilla palustris, that grows in marshy areas
- marshall islands — a republic, consisting of a group of 34 coral islands in the W central Pacific: formerly part of the Trust Territory of the Pacific Islands (1947–87); status of free association with the US from 1986; consists of two parallel chains, Ralik and Ratak. Official languages: Marshallese and English. Religion: Roman Catholic majority. Currency: US dollar. Capital: Delap-Uliga-Djarrit, on Majuro atoll. Pop: 69 747 (2013 est). Area: (land) 181 sq km (70 sq miles); (lagoon) 11 655 sq km (4500 sq miles)
- marshalling yard — a place or depot where railway wagons are shunted and made up into trains and where engines, carriages, etc, are kept when not in use
- marsupialization — (surgery) The surgical technique of cutting a slit into a cyst and suturing its edges to form a continuous surface from the exterior to the interior of the cyst, allowing it to drain freely.
- martin van buren — Martin, 1782–1862, 8th president of the U.S. 1837–41.
- marxism-leninism — the modification of Marxism by Lenin stressing that imperialism is the highest form of capitalism
- mass destruction — devastation on a large scale
- mass observation — the study of the social habits of people through observation, interviews, etc
- material culture — the aggregate of physical objects or artifacts used by a society.
- matrix mechanics — a formulation of non-relativistic quantum mechanics in which physical quantities are represented by matrices and matrix algebra is used to predict the outcome of physical measurements.
- matthew flinders — Matthew, 1774–1814, English navigator and explorer: surveyed coast of Australia.
- matthew of paris — c1200–59, English chronicler.
- maximilian armor — full plate armor of the early 16th century, representing a combination of Italian and German styles and characterized by extensive use of fluting for lightness and strength.
- maximum-security — designed for or housing prisoners regarded as being very dangerous to society.
- measuring device — gauge
- mechanochemistry — the field of chemistry that deals with the direct conversion of chemical into mechanical energy.
- mechanoreception — The action of a mechanoreceptor.
- mechanoreceptive — Responsive to mechanical stimuli such as sound and touch.
- media atropatene — an ancient region in NW Iran, formerly a part of Media.
- medical examiner — a physician or other person trained in medicine who is appointed by a city, county, or the like, to perform autopsies on the bodies of persons supposed to have died from unnatural causes and to investigate the cause and circumstances of such deaths.
- medieval cornish — the Cornish language of the Middle Ages, usually dated from the 14th century to 1600.
- medieval history — the branch of history dealing with the Middle Ages
- medium artillery — guns and howitzers of more than 105mm and less than 155mm caliber, sometimes including the 155mm howitzers. Compare heavy artillery (def 2), light artillery (def 2).
- megacorporations — Plural form of megacorporation.
- megakaryoblastic — (cytology) Of or pertaining to a megakaryoblast.
- megasporogenesis — the formation and development of megaspores.
- melodic interval — an intervening period of time: an interval of 50 years.
- melodramatically — In a melodramatic manner.
- memoria technica — a method or device for assisting the memory
- memorial service — ceremony held in commemoration
- mengagement ring — an engagement ring bought for a man
- menippean satire — a form of satire that is indirect and nonrealistic in approach and that consists typically of a loosely organized narrative incorporating a series of dialogues between representatives of various points of view
- menometrorrhagia — (pathology) Excessive uterine bleeding occurring outside of the normal menstrual period.
- menstrual period — the bleeding from the womb that occurs approximately monthly in nonpregnant women of reproductive age
- mercantile paper — commercial paper.
- mercator sailing — sailing according to rhumb lines, which appear as straight lines on a Mercator chart.
- merchant service — A merchant service is a provider of credit card processing services.
- meristematically — In a meristematic way.
- meritocratically — In a meritocratic way.
- metamorphization — Process or action of metamorphizing.
- metamorphosising — Present participle of metamorphosise.
- meteorite crater — crater (def 2).
- meteorologically — In meteorological terms; in the context of weather.
- methacrylic acid — a colorless, liquid acid, C 4 H 6 O 2 , produced synthetically, whose methyl ester, methyl methacrylate, polymerizes to yield a clear plastic.