12-letter words containing a, m, u, r
- massaranduba — any of various evergreen trees of the genus Manilkara of the family Sapotaceae that are native to the tropics
- masturbating — Present participle of masturbate.
- 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.
- matriculants — Plural form of matriculant.
- matriculated — Be enrolled at a college or university.
- matriculates — Third-person singular simple present indicative form of matriculate.
- matriculator — to enroll in a college or university as a candidate for a degree.
- matroclinous — inheritance in which the traits of the offspring are derived primarily from the maternal parent (opposed to patrocliny).
- maturational — the act or process of maturating.
- maximum card — a picture postcard to which a stamp can be affixed on the picture side, after which it can be cancelled by the appropriate postal service.
- 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.
- measurements — The action of measuring something.
- media circus — excessive news coverage
- megachurches — Plural form of megachurch.
- 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.
- menstruating — to undergo menstruation.
- 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.
- mercurialism — poisoning by mercury.
- mercurialist — a person born under the planet Mercury
- mercuriality — Mercurial behaviour.
- mercurialize — to make mercurial, especially in temperament.
- mercury mass — blue mass (def 1).
- mesogastrium — the mesentery of the embryonic stomach.
- 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
- metacultural — Relating to metaculture.
- metal lumber — a brand of sheet metal pressed and welded together to form joists and studding.
- metallurgist — the technique or science of working or heating metals so as to give them certain desired shapes or properties.
- metamorphous — metamorphic.
- 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.
- microcapsule — a tiny capsule, 20–150 microns in diameter, used for slow-release application of drugs, pesticides, flavors, etc.
- microphagous — (of an animal) feeding on small particles of food
- microphallus — The condition of having an abnormally small penis; micropenis.
- microtubular — Of or pertaining to microtubules.
- middle guard — a defensive lineman positioned opposite the offensive center and between the defensive tackles, as in a three- or five-man line.
- miniaturised — Simple past tense and past participle of miniaturise.
- miniaturists — Plural form of miniaturist.
- miniaturized — Simple past tense and past participle of miniaturize.
- miniaturizes — Third-person singular simple present indicative form of miniaturize.
- minor league — professional non-premier sports association
- minor-league — of or relating to a minor league.
- miracle cure — a successful treatment for a disease that was thought impossible to cure
- miracle drug — wonder drug.
- miraculously — In a miraculous manner.
- misadventure — an instance of bad fortune; mishap.
- misattribute — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- misbehaviour — (British) alternative spelling of misbehavior.