12-letter words containing a, s, t, r, o, m
- 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.
- 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.
- 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.
- memorialists — Plural form of memorialist.
- 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.
- 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.
- mesocortical — Of or pertaining to the mesocortex.
- mesogastrium — the mesentery of the embryonic stomach.
- 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.
- microanalyst — One who carries out microanalysis.
- microcrystal — a microscopic crystal.
- 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.
- migrationist — a person who considers it important for species of animals and plants to migrate for the purposes of distribution and evolution
- mineralogist — the science or study of minerals.
- ministration — the act of ministering care, aid, religious service, etc.
- misanthropes — Plural form of misanthrope.
- misanthropic — of, relating to, or characteristic of a misanthrope.
- miscegenator — a person who advocates or engages in miscegenation
- misconstrual — A misinterpretation of the meaning of something.
- miscreations — Plural form of miscreation.
- misformation — the act or process of forming or the state of being formed: the formation of ice.
- misfortunate — Having suffered misfortune; pitiable.
- misoperation — an act or instance, process, or manner of functioning or operating.
- misorientate — misorient.
- misportrayal — the act of portraying.
- mob hysteria — the heightened and extreme emotions that can be experienced by people in a large crowd