12-letter words containing m, i, s, o
- manoeuvrings — Plural form of manoeuvring.
- manumissions — Plural form of manumission.
- marcatissimo — in a heavily accented manner
- marconi mast — an elaborately stayed mast.
- marie louise — 1791–1847, 2nd wife of Napoleon I: empress of France; duchess of Parma 1816–31 (daughter of Francis II of Austria; mother of Napoleon II).
- marine corps — a branch of the U.S. Armed Forces trained for land, sea, and air combat, typically for land combat in conjunction with an amphibious or airborne landing, and whose commandant is responsible to the secretary of the navy.
- marionettist — A puppeteer who controls a marionette.
- marsh orchid — any of various orchids of the genus Dactylorhiza, growing in damp places and having mostly purplish flowers
- mass society — a society whose members are characterized by having segmentalized, impersonal relations, a high degree of physical and social mobility, a spectator relation to events, and a pronounced tendency to conform to external popular norms.
- mastectomies — Plural form of mastectomy.
- master point — a point awarded to a bridge player who has won or placed in an officially recognized tournament.
- mastications — Plural form of mastication.
- mastigonemes — Plural form of mastigoneme.
- 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.
- mastocytosis — an overproduction of mast cells in body tissues.
- mastoid bone — a large, bony prominence on the base of the skull behind the ear, containing air spaces that connect with the middle ear cavity.
- masturbation — the stimulation or manipulation of one's own genitals, especially to orgasm; sexual self-gratification.
- matopo hills — the granite hills south of Bulawayo, Zimbabwe, where Cecil Rhodes chose to be buried
- 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).
- mauvaise foi — (in the philosophy of Sartre) the expression usually rendered as bad faith
- maximisation — Alternative spelling of maximization.
- 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
- mediocrities — the state or quality of being mediocre.
- meeting post — a timber with a chamfer at the outer edge of a lock gate that fits against the meeting post of another lock gate.
- meetinghouse — A Quaker place of worship.
- megamillions — Plural form of megamillion.
- melancholics — Plural form of melancholic.
- melancholies — a gloomy state of mind, especially when habitual or prolonged; depression.
- melliphagous — (of an animal) feeding on honey
- 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 stick — computing: flashcard, dongle
- mendaciously — In a lying or deceitful manner.
- meniscectomy — the surgical excision of a meniscus, as of the knee joint.
- 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.
- mephibosheth — a son of Jonathan, and the grandson of Saul. II Sam 4:4.
- meretricious — alluring by a show of flashy or vulgar attractions; tawdry.
- 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.
- mesokurtosis — (statistics) The property of having zero normalised kurtosis.