12-letter words containing m, a, s, o, r
- massotherapy — treatment by massage.
- master alloy — an alloy rich in certain elements, used in small quantities as an additive to melts of alloyed metal.
- master mason — (often initial capital letters) a Freemason who has reached the third degree.
- master point — a point awarded to a bridge player who has won or placed in an officially recognized tournament.
- masterstroke — a masterly action or achievement; an extremely skillful or effective action: War was avoided by a masterstroke of diplomacy.
- mastigophora — a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals.
- mastigophore — Any flagellate of the phylum Mastigophora.
- masturbation — the stimulation or manipulation of one's own genitals, especially to orgasm; sexual self-gratification.
- masturbatory — the stimulation or manipulation of one's own genitals, especially to orgasm; sexual self-gratification.
- matriclinous — Having mostly maternally-inherited characteristics.
- matrimonials — Plural form of matrimonial.
- matroclinous — inheritance in which the traits of the offspring are derived primarily from the maternal parent (opposed to patrocliny).
- matto grosso — Mato Grosso.
- meadow grass — any grass of the genus Poa, especially P. pratensis, the Kentucky bluegrass.
- measure zero — the property of a set of points for which, given any small number, there exists a set of intervals such that each point of the given set is contained in at least one of the intervals and such that, essentially, the combined length of the intervals is less than the small number.
- mechatronics — The synergistic combination of mechanical engineering, electronic engineering and software engineering for the study of automata from an engineering perspective and the control of advanced hybrid systems.
- media person — a person who works in the mass media
- mediatorship — the position of a mediator
- meganthropus — a proposed genus of extinct, late lower Pleistocene primates based on two large lower jaws found in Java, and believed to be either Australopithecine or human.
- melanogaster — Any of several fungi of the genus Melanogaster.
- melanophores — Plural form of melanophore.
- melrose park — a city in NE Illinois, near Chicago.
- memorialised — Simple past tense and past participle of memorialise.
- memorialists — Plural form of memorialist.
- memorializes — (US) Third-person singular simple present indicative form of memorialize.
- memorisation — Alternative spelling of memorization.
- 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 smash — (jargon) A Xerox PARC term for writing to the location addressed by a dangling pointer.
- 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.
- mesoamerican — Alternative form of Mesoamerican.
- mesocortical — Of or pertaining to the mesocortex.
- mesogastrium — the mesentery of the embryonic stomach.
- messageboard — Alternative spelling of message board.
- 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.
- metalworkers — Plural form of metalworker.
- 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
- metamorphose — to change the form or nature of; transform.
- metamorphous — metamorphic.
- meteor swarm — any large number of meteoroids moving in parallel paths.
- metro-sexual — a heterosexual, usually urban male who pays much attention to his personal appearance and cultivates an upscale lifestyle.
- metrosexuals — Plural form of metrosexual.
- microamperes — Plural form of microampere.
- microanalyst — One who carries out microanalysis.
- microcapsule — a tiny capsule, 20–150 microns in diameter, used for slow-release application of drugs, pesticides, flavors, etc.
- microcrystal — a microscopic crystal.
- microphagous — (of an animal) feeding on small particles of food
- microphallus — The condition of having an abnormally small penis; micropenis.
- microreaders — Plural form of microreader.