15-letter words containing a, r, u, m
- marathon runner — person who runs in a marathon race
- marburg disease — a viral disease producing a severe and often fatal illness with fever, rash, diarrhea, vomiting, and gastrointestinal bleeding, transmitted to humans through contact with infected green monkeys.
- marcus antonius — Mark (Marcus Antonius) 83?–30 b.c, Roman general: friend of Caesar; member of the second triumvirate and rival of Octavian.
- marcus aurelius — Marcus, Marcus Aurelius.
- mare erythraeum — (Red Sea) an area in the southern hemisphere of Mars, appearing as a dark region when viewed telescopically from the earth.
- margaritiferous — yielding or wearing pearls
- marine surveyor — a person who carries out surveys of ships to determine seaworthiness, etc
- markup language — a set of standards, as HTML or SGML, used to create an appropriate markup scheme for an electronic document, as to indicate its structure or format.
- marlborough leg — a tapered leg having a square section.
- marriage bureau — an agency that provides introductions to single people seeking a marriage partner
- marsupial mouse — any of various mouse-sized to rat-sized marsupials of the family Dasyuridae, occurring in Australia, New Guinea, and Tasmania: some species are rare or endangered.
- masculine rhyme — a rhyme of but a single stressed syllable, as in disdain, complain.
- mass production — the production or manufacture of goods in large quantities, especially by machinery.
- mass-producible — to produce or manufacture (goods) in large quantities, especially by machinery.
- massage parlour — A massage parlour is a place where people go and pay for a massage. Some places that are called massage parlours are in fact places where people pay to have sex.
- massapequa park — a town on SW Long Island, in SE New York.
- matta echaurren — Roberto Antonio Sebastián [raw-ver-taw ahn-taw-nyaw se-vahs-tyahn] /rɔˈvɛr tɔ ɑnˈtɔ nyɔ ˌsɛ vɑsˈtyɑn/ (Show IPA), 1911–2002, Chilean painter.
- maundy thursday — the Thursday of Holy Week, commemorating Jesus' Last Supper and His washing of the disciples' feet upon that day.
- maxilloturbinal — (anatomy) Pertaining to the maxillary and turbinal regions of the skull.
- meadow mushroom — any of various fleshy fungi including the toadstools, puffballs, coral fungi, morels, etc.
- measurelessness — The state or condition of being measureless.
- measurement ton — a unit of weight, equivalent to 2000 pounds (0.907 metric ton) avoirdupois (short ton) in the U.S. and 2240 pounds (1.016 metric tons) avoirdupois (long ton) in Great Britain.
- measuring chain — a flexible length of metal links used in calculating distances
- measuring glass — a graduated glass container used to measure quantities of liquid
- measuring spoon — a spoon for measuring amounts, as in cooking, usually part of a set of spoons of different sizes.
- medical tourism — tourist travel for the purpose of receiving medical treatment or improving health or fitness: The spiraling cost of healthcare has contributed to the growth of medical tourism. Also called health tourism.
- medullary canal — the central area of a bone, containing marrow
- menispermaceous — of, relating to, or belonging to the Menispermaceae, a family of mainly tropical and subtropical plants, most of which are woody climbers with small flowers
- menstrual cycle — (in women of reproductive age) the cycle of physiological changes affecting the reproductive organs that takes place typically over a month and includes ovulation, thickening of the lining of the womb and menstruation if fertilization of the egg has not occurred
- mermaid's purse — the horny or leathery egg case of certain cartilaginous fishes, as skates.
- metallic luster — luster1 (def 8).
- metallurgically — the technique or science of working or heating metals so as to give them certain desired shapes or properties.
- microearthquake — an earthquake of very low intensity (magnitude of 2 or less on the Richter scale).
- microsporangium — a sporangium containing microspores.
- microstructural — Of or pertaining to a microstructure.
- midsummer's day — Midsummer's Day or Midsummer Day is the 24th of June.
- miniaturisation — Alternative spelling of miniaturization.
- miniaturization — to make in extremely small size in order to keep volume or weight to a minimum: to miniaturize electronic equipment.
- mis-measurement — the act of measuring.
- misarticulation — an act or the process of articulating: the articulation of a form; the articulation of a new thought.
- mixture quality — Mixture quality is the degree to which a mixture is an ideal mixture.
- modal auxiliary — Grammar. any of the group of English auxiliary verbs, including can, could, may, might, shall, should, will, would, and must, that are used with the base form of another verb to express distinctions of mood.
- modern language — one of the literary languages currently in use in Europe, as French, Spanish, or German, treated as a departmental course of study in a school, college, or university.
- modulo operator — (mathematics) (mod) The operator that returns the remainder after integer division of its first argument by its second. Written as "%" in C and some other languages. Where the second argument is a power of two, the result can be calculated much more quickly using bitwise and with the appropriate bit-mask.
- mogi das cruzes — a city in SE Brazil, E of São Paulo.
- mohawk hair cut — a member of a tribe of the most easterly of the Iroquois Five Nations, formerly resident along the Mohawk River, New York.
- molecular clock — the changes in the amino acid sequences of proteins that take place during evolution and speciation, and from which the dates of branchings of taxonomic groups can be deduced.
- molecular cloud — a cool dense interstellar region composed of a wide variety of molecules, mainly hydrogen, plus some dust, in which stars are forming
- molecular knife — a segment of genetic material that inhibits the reproduction of the AIDS virus by breaking up specific areas of the virus's genes.
- molecular sieve — a compound with molecule-size pores, as some sodium aluminum silicates, that chemically locks molecules in them: used in purification and separation processes.