12-letter words containing e, p, i, s, m, a
- litmus paper — a strip of paper impregnated with litmus, used as a chemical indicator.
- machine shop — a workshop in which metal and other substances are cut, shaped, etc., by machine tools.
- madreporites — Plural form of madreporite.
- magpie goose — a black-and-white gooselike bird, Anseranas semipalmatus, of Australia, believed to be the most primitive waterfowl in existence.
- malpractices — Plural form of malpractice.
- manspreading — the practice by a male passenger on public transport of sitting with his legs wide apart, so denying space to passengers beside him
- mantelpieces — Plural form of mantelpiece.
- 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.
- marlinespike — a pointed iron implement used in separating the strands of rope in splicing, marling, etc.
- marlingspike — Alternative spelling of marlinspike.
- masking tape — an easily removed adhesive tape used temporarily for defining margins, protecting surfaces, etc., as when painting, and sometimes also for binding, sealing, or mending.
- master point — a point awarded to a bridge player who has won or placed in an officially recognized tournament.
- master print — an original copy of a cinema film that can be used to produce other copies
- masterpieces — Plural form of masterpiece.
- mastigophore — Any flagellate of the phylum Mastigophora.
- meanspirited — petty; small-minded; ungenerous: a meanspirited man, unwilling to forgive.
- media person — a person who works in the mass media
- median strip — a paved, planted, or landscaped strip in the center of a highway that separates lanes of traffic going in opposite directions.
- mediatorship — the position of a mediator
- melliphagous — (of an animal) feeding on honey
- mesoappendix — the mesentery of the vermiform appendix.
- mesocephalic — having a head with a cephalic index between that of dolichocephaly and brachycephaly.
- mesopotamian — an ancient region in W Asia between the Tigris and Euphrates rivers: now part of Iraq.
- metal polish — cleaning fluid designed to clean, polish or add shine to metal
- 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
- metaphrasing — Present participle of metaphrase.
- metaphrastic — a person who translates or changes a literary work from one form to another, as prose into verse.
- metaphysical — pertaining to or of the nature of metaphysics.
- metapolitics — political theory: often used derogatorily
- metapsychics — the study of psychic phenomena beyond the limits of ordinary or orthodox psychology
- metric space — a space with a metric defined on it.
- microamperes — Plural form of microampere.
- microcapsule — a tiny capsule, 20–150 microns in diameter, used for slow-release application of drugs, pesticides, flavors, etc.
- milk parsley — a wetland plant belonging to the family Apiaceae
- milliamperes — Plural form of milliampere.
- misanthropes — Plural form of misanthrope.
- misapprehend — to misunderstand.
- misemphasize — to emphasize incorrectly
- mishappening — Present participle of mishappen.
- misoperation — an act or instance, process, or manner of functioning or operating.
- misplacement — to put in a wrong place.
- mispleadings — Plural form of mispleading.
- mispunctuate — to punctuate incorrectly.
- multiseptate — having several septa or chambers
- mycoparasite — a parasitic fungus whose host is another fungus.
- neoplatonism — a philosophical system, originated in the 3rd century a.d. by Plotinus, founded chiefly on Platonic doctrine and Eastern mysticism, with later influences from Christianity. It holds that all existence consists of emanations from the One with whom the soul may be reunited.
- newspaperism — anything characteristic of newspapers, esp a word or phrase used only by journalists
- oligospermia — (medicine) Low volume of semen.
- operationism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.