12-letter words containing m, a, o, s
- megamillions — Plural form of megamillion.
- 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.
- melancholics — Plural form of melancholic.
- melancholies — a gloomy state of mind, especially when habitual or prolonged; depression.
- melanoblasts — Plural form of melanoblast.
- melanogaster — Any of several fungi of the genus Melanogaster.
- melanophores — Plural form of melanophore.
- melliphagous — (of an animal) feeding on honey
- 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.
- mendaciously — In a lying or deceitful manner.
- 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.
- mesoappendix — the mesentery of the vermiform appendix.
- mesocephalic — having a head with a cephalic index between that of dolichocephaly and brachycephaly.
- mesocortical — Of or pertaining to the mesocortex.
- mesogastrium — the mesentery of the embryonic stomach.
- mesognathous — having medium, slightly protruding jaws.
- mesolecithal — centrolecithal.
- mesoplankton — plankton that live at middle depths.
- mesopotamian — an ancient region in W Asia between the Tigris and Euphrates rivers: now part of Iraq.
- mesothelioma — a malignant tumor of the covering of the lung or the lining of the pleural and abdominal cavities, often associated with exposure to asbestos.
- messageboard — Alternative spelling of message board.
- metabolising — Present participle of metabolise.
- metabolomics — the study of all the metabolites present in cells, tissues, and organs
- metabonomics — (biochemistry, genetics) metabolomics.
- 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.
- metafictions — Plural form of metafiction.
- metagenomics — (genetics) The study of genomes recovered from environmental samples; especially the differentiation of genomes from multiple organisms or individuals, either in a symbiotic relationship, or at a crime scene.
- metagnathous — Ornithology. having the tips of the mandibles crossed, as the crossbills.
- metal polish — cleaning fluid designed to clean, polish or add shine to metal
- 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.
- metapolitics — political theory: often used derogatorily
- metasequoias — Plural form of metasequoia.
- metasomatism — the series of metamorphic processes whereby chemical changes occur in minerals or rocks as a result of the introduction of material, often in hot aqueous solutions, from external sources.
- 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.