12-letter words containing m, o, r, a, t
- memorisation — Alternative spelling of memorization.
- memorization — to commit to memory; learn by heart: to memorize a poem.
- memory farts — (jargon, humour) The flatulent sounds that some MS-DOS box BIOSes (most notably AMI's) make when checking memory at boot time.
- memory trace — engram.
- menstruation — the periodic discharge of blood and mucosal tissue from the uterus, occurring approximately monthly from puberty to menopause in nonpregnant women and females of other primate species.
- meritocratic — an elite group of people whose progress is based on ability and talent rather than on class privilege or wealth.
- meroplankton — a floating mass of eggs and larvae of organisms that are nektonic or benthic in their adult stage; temporary plankton.
- mesocortical — Of or pertaining to the mesocortex.
- mesogastrium — the mesentery of the embryonic stomach.
- metabotropic — Describing a neurotransmitter or cell receptor whose action is mediated by metabolic functions (e.g. enzyme activation).
- metachronism — An error in chronological ordering in which a character or an event is placed at too late a time.
- metachronous — Medicine/Medical. occurring at a different time than a similar event: metachronous tumors.
- metacomputer — an interconnected and balanced set of computers that operate as a single unit
- metallograph — a microscope for observing the microstructure of metals.
- metalorganic — (chemistry) organometallic.
- metalworkers — Plural form of metalworker.
- metalworking — the act or technique of making metal objects.
- metamorphism — Geology. a change in the structure or constitution of a rock due to natural agencies, as pressure and heat, especially when the rock becomes harder and more completely crystalline.
- metamorphist — a member of a group of 16th century Christians who believed that the humanly body of Jesus Christ metamorphosed into God during the Ascension
- metamorphize — (transitive) To transform or change; metamorphose.
- metamorphose — to change the form or nature of; transform.
- metamorphous — metamorphic.
- metaphorical — a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance, as in “A mighty fortress is our God.”. Compare mixed metaphor, simile (def 1).
- metarteriole — An arterial capillary; a short vessel linking arterioles and venules.
- metathoracic — Of or pertaining to the metathorax.
- meteor swarm — any large number of meteoroids moving in parallel paths.
- meteorically — of, relating to, or consisting of meteors.
- meteorograph — an instrument for automatically recording various meteorological conditions, as barometric pressure and temperature, at the same time.
- methanometer — an instrument that measures the concentration of methane in the air of mines
- method actor — actor who follows the Method
- methotrexate — a toxic folic acid analogue, C 2 0 H 2 2 N 8 O 5 , that inhibits cellular reproduction, used primarily in the treatment of psoriasis and certain cancers and as an immunosuppressive agent.
- metro-sexual — a heterosexual, usually urban male who pays much attention to his personal appearance and cultivates an upscale lifestyle.
- metrological — the science of weights and measures.
- metronomical — a mechanical or electrical instrument that makes repeated clicking sounds at an adjustable pace, used for marking rhythm, especially in practicing music.
- metropolitan — 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.
- metrorrhagia — nonmenstrual discharge of blood from the uterus; uterine hemorrhage.
- metrosexuals — Plural form of metrosexual.
- microammeter — an instrument for measuring extremely small electric currents, calibrated in microamperes.
- microanalyst — One who carries out microanalysis.
- microanatomy — the branch of anatomy dealing with microscopic structures (distinguished from gross anatomy).
- microclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- microcrystal — a microscopic crystal.
- microgranite — an igneous rock with an identical composition and mineral content to granite, but having a finer texture
- microgravity — a condition, especially in space orbit, where the force of gravity is so weak that weightlessness results.
- microhabitat — an extremely localized, small-scale environment, as a tree stump or a dead animal.
- micropayment — A very small payment made each time a user accesses an Internet page or service.
- microstation — (application) A full-featured 2-D and 3-D CAD program for MS-DOS, Microsoft Windows, Macintosh, and Unix workstations from Bentley Systems, Inc. Created in 1984, MicroStation is a high-end package used worldwide in environments where many designers work on large, complex projects. MicroStation Modeler is a superset of MicroStation that provides solid modelling, and MasterPiece is MicroStation's rendering and animation program.
- microtonally — In a microtonal manner.
- microtubular — Of or pertaining to microtubules.
- midafternoon — the part of the afternoon centering approximately on three o'clock; the period approximately halfway between noon and sunset.