9-letter words containing s, o, m, a
- masterson — William Barclay ("Bat") 1853–1921, U.S. frontier law officer.
- masthouse — a place, usually in a dockyard, in which masts are stored
- mastocyte — Mast cell.
- mastodons — Plural form of mastodon.
- mastodont — Mastodon.
- mastoidal — Mastoid.
- mastology — Mammalogy.
- mastopexy — fixation of a pendulous breast.
- matamoros — a seaport in NE Mexico, on the Rio Grande opposite Brownsville, Texas.
- mathewson — Christopher ("Christy") 1880–1925, U.S. baseball player.
- mathworks — The MathWorks, Inc.
- mausoleal — Of, pertaining to, or similar to, a mausoleum.
- mausolean — Of, pertaining to, or similar to, a mausoleum.
- mausoleum — a stately and magnificent tomb.
- may blobs — marsh marigold.
- mayorship — the chief executive official, usually elected, of a city, village, or town.
- mcmansion — a large modern house considered to look mass-produced, lacking in distinguishing characteristics, and at variance with established local architecture
- mealworms — Plural form of mealworm.
- meandrous — meandering; winding; rambling.
- meathooks — Usually, meat hooks. Slang. a hand or fist: Get your meat hooks away from that cake! It's for dessert.
- meatworks — (Australia, New Zealand) A slaughterhouse or meat processing plant.
- mediators — Plural form of mediator.
- megadoses — Plural form of megadose.
- megaflops — a measure of computer speed, equal to one million floating-point operations per second.
- megapodes — Plural form of megapode.
- megapolis — megalopolis.
- megascope — A modification of the magic lantern, used especially for throwing a magnified image of an opaque object on a screen, solar or artificial light being used.
- megaspore — the larger of the two kinds of spores characteristically produced by seed plants and a few fern allies, developing into a female gametophyte. Compare microspore.
- megastore — A very large store, typically one specializing in a particular type of product.
- megastorm — a very powerful storm that causes catastrophic damage
- megavolts — Plural form of megavolt.
- melanomas — Plural form of melanoma.
- melanosis — abnormal deposition or development of black or dark pigment in the tissues.
- melastome — any of various tropical flowering plants of the family Melastomataceae
- memorials — Plural form of memorial.
- menopause — the period of permanent cessation of menstruation, usually occurring between the ages of 45 and 55.
- mescalero — a member of a group of Apache Indians who originally inhabited northern Mexico and the southwestern U.S. east of the Rio Grande, have intermarried with the Chiricahua and Lipan, and are presently situated in New Mexico.
- mesoblast — the mesoderm.
- mesocarps — Plural form of mesocarp.
- mesocrany — the state of having a medium breadth of skull
- mesogleal — relating to the mesoglea
- mesogloea — the noncellular, gelatinous material between the inner and outer body walls of a coelenterate or sponge.
- mesopause — the boundary or transition zone between the mesosphere and the ionosphere. Compare mesosphere (def 1).
- mesoscale — pertaining to meteorological phenomena, such as wind circulation and cloud patterns, that are about 1–100 km (0.6–60 miles) in horizontal extent.
- mestranol — an estrogen, C 2 1 H 2 6 O 2 , used in oral contraceptives in combination with a progestin.
- metaphors — a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance, as in “A mighty fortress is our God.”. Compare mixed metaphor, simile (def 1).
- metascope — a device for converting infrared radiation into visible light.
- metazoans — Plural form of metazoan.
- micaceous — consisting of, containing, or resembling mica.
- microbars — Plural form of microbar.