15-letter words containing r, e, t, o, a
- matrix bar code — a type of 2D bar code that stores data in a matrix of geometrically shaped dark and light cells that represent bits. See also QR code.
- matrix compiler — Early matrix computations on UNIVAC. Sammet 1969, p.642.
- mean solar time — time measured by the hour angle of the mean sun.
- 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.
- mechanoreceptor — any of the sense organs that respond to vibration, stretching, pressure, or other mechanical stimuli.
- mechlorethamine — a nitrogen mustard, C 5 H 1 1 Cl 2 N, used in combination with other drugs in the treatment of Hodgkin's disease and certain other cancers.
- medal for merit — a medal awarded by the U.S. to a civilian for distinguished service to the country: discontinued after World War II.
- media converter — (networking) A component used in Ethernet, although it is not part of the IEEE standard. The IEEE standard states that all segments must be linked with repeaters. Media converters were developed as a simpler, cheaper alternative to repeaters. However, in the 1990s the cost difference between the two is negligible.
- medical history — the past background of a person in terms of health
- 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.
- medieval breton — the Breton language of the Middle Ages, usually dated from the 12th to the mid-17th centuries.
- megacorporation — a giant company formed from two or more large companies or a number of companies of various sizes.
- megalokaryocyte — Megakaryocyte.
- member of staff — an employee of a particular organization
- memorialization — to commemorate.
- memory capacity — (on a computer or other device) the amount of memory space available for data storage
- memory location — (storage) A byte, word or other small unit of storage space in a computer's main memory that is identified by its starting address (and size).
- mental disorder — any of the various forms of psychosis or severe neurosis.
- messier catalog — a catalog of nonstellar objects compiled by Charles Messier in 1784 and later slightly extended, now known to contain nebulae, galaxies, and star clusters.
- metainformation — metadata
- metallo-organic — organometallic.
- metalloprotease — (enzyme) metalloproteinase.
- metallotolerant — (biology) Any extremophile that is able to tolerate a high concentration metal ions in its environment.
- metamorphically — In a metamorphic manner.
- metamorphosised — Simple past tense and past participle of metamorphosise.
- metamorphosizes — Third-person singular simple present indicative form of metamorphosize.
- metanitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- methylpropanone — (organic compound) The industrial solvent butanone.
- metropolitanate — the office or province of a metropolitan
- metropolitanism — of, noting, or characteristic of a metropolis or its inhabitants, especially in culture, sophistication, or in accepting and combining a wide variety of people, ideas, etc.
- metropolitanize — to make metropolitan.
- microearthquake — an earthquake of very low intensity (magnitude of 2 or less on the Richter scale).
- microextraction — (chemistry) A technique used to extract small amounts of material from a mixture.
- microgametocyte — a gametocyte that produces microgametes
- microgeneration — the small-scale generation of electrical power, through means such as solar or wind power
- micromanagement — The direct management of a project etc to an excessive degree, with too much attention to detail and insufficient delegation.
- micrometastases — Plural form of micrometastasis.
- micrometastasis — The microscopic level action of metastasis, the spread of disease from the primary site to other areas.
- micropegmatitic — relating to, or designating, a microscopic pegmatitic structure
- military police — soldiers who perform police duties
- minority leader — the party member who directs the activities of the minority party on the floor of a legislative body, as of the U.S. Congress.
- mis-categorized — to arrange in categories or classes; classify.
- mis-informative — to give false or misleading information to.
- misappreciation — failure to appreciate something fully or properly
- misappropriated — to put to a wrong use.
- misappropriates — Third-person singular simple present indicative form of misappropriate.
- misregistration — the act of registering.
- mitral stenosis — abnormal narrowing of the mitral valve usually resulting from disease, as rheumatic fever, and obstructing the free flow of blood from the atrium to the ventricle.
- moderate breeze — a wind of 13–18 miles per hour (5.8–8 m/sec).
- moderate-income — of or relating to those with a close-to-average income within the overall population.