12-letter words containing y, o, s
- memory stick — computing: flashcard, dongle
- memory verse — a verse or passage from the Bible to be memorized, especially by members of a Sunday school.
- mendaciously — In a lying or deceitful manner.
- meniscectomy — the surgical excision of a meniscus, as of the knee joint.
- mercy stroke — coup de grâce.
- mesocyclones — Plural form of mesocyclone.
- meticulosity — taking or showing extreme care about minute details; precise; thorough: a meticulous craftsman; meticulous personal appearance.
- meticulously — taking or showing extreme care about minute details; precise; thorough: a meticulous craftsman; meticulous personal appearance.
- mickey mouse — trite and commercially slick in character; corny: mickey mouse music.
- microanalyst — One who carries out microanalysis.
- microcrystal — a microscopic crystal.
- microphysics — the branch of physics dealing with physical objects that are not large enough to be observed and treated directly, as elementary particles, atoms, and molecules.
- microsurgery — any of various surgical procedures performed under magnification and with small specialized instruments, permitting very delicate operations, as the reconnection of severed blood vessels and nerves.
- microsystems — Plural form of microsystem.
- middy blouse — any of various loose blouses with a sailor collar, often extending below the waistline to terminate in a broad band or fold, as worn by sailors, women, or children.
- milquetoasty — Meek, timid.
- miraculously — In a miraculous manner.
- misogynistic — reflecting or exhibiting hatred, dislike, mistrust, or mistreatment of women.
- misportrayal — the act of portraying.
- mob hysteria — the heightened and extreme emotions that can be experienced by people in a large crowd
- mollycoddles — Plural form of mollycoddle.
- molybdenosis — a disease of ruminants, especially cattle, caused by dietary intake of excessive molybdenum with resultant copper deficiency, characterized by persistent diarrhea and, especially around the eyes, a fading of coat pigment.
- monastically — In a monastic manner.
- money spider — any of certain small shiny brownish spiders of the family Linyphiidae
- money supply — the sum of demand or checking-account deposits and currency in circulation.
- moneylenders — Plural form of moneylender.
- monkey flush — three cards of the same suit, usually not in sequence.
- monkey house — a cage or enclosure in a zoo where monkeys are kept
- monkeyshines — Usually, monkeyshines. a frivolous or mischievous prank; monkey business.
- monogamously — In a monogamous manner.
- monohydrates — Plural form of monohydrate.
- monophyllous — consisting of one leaf, as a calyx.
- monophysites — Plural form of monophysite.
- monophysitic — Of or pertaining to monophysitism.
- monosyllabic — having only one syllable, as the word no.
- monosyllable — a word of one syllable, as yes or no.
- monosynaptic — having or relating to a sole synapse
- monotonously — lacking in variety; tediously unvarying: the monotonous flat scenery.
- mornay sauce — a rich white sauce to which grated cheese, usually Swiss or Parmesan, and seasonings have been added
- morphosyntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- mosquito fly — dragonfly (def 1).
- mossycup oak — bur oak
- mother's boy — mama's boy.
- mother's day — a day, usually the second Sunday in May, set aside in honor of mothers.
- motion study — time and motion study.
- motionlessly — In a motionless manner; without moving.
- motivelessly — Without a motive.
- motorcyclist — a motor vehicle similar to a bicycle but usually larger and heavier, chiefly for one rider but sometimes having two saddles or an attached sidecar for passengers.
- mouse jockey — a person whose job mainly involves working with computers, esp for web and graphic design
- multi-storey — A multi-storey building has several floors at different levels above the ground.