12-letter words containing s, i, e, m, r
- methysergide — an ergot alkaloid derivative, C 2 1 H 2 7 N 3 O 2 , used in the prophylaxis and treatment of migraine and cluster headaches.
- metric space — a space with a metric defined on it.
- metropolises — any large, busy city.
- microamperes — Plural form of microampere.
- microbubbles — a microscopic, gas-filled bubble, used especially in medicine to image blood flow, dissolve blood clots, etc.
- microcapsule — a tiny capsule, 20–150 microns in diameter, used for slow-release application of drugs, pesticides, flavors, etc.
- microforceps — (surgery) A very small forceps.
- microgrooves — Plural form of microgroove.
- microinsurer — (insurance) An insurer providing microinsurance, small low-cost policies aimed at underserved groups.
- micronucleus — the smaller of the two types of nuclei occurring in ciliate protozoans.
- micropterous — (of certain animals, esp some types of ant) having small reduced wings
- microreaders — Plural form of microreader.
- microscopies — Plural form of microscopy.
- microseconds — Plural form of microsecond.
- microsegment — a stretch of speech preceded and followed but not interrupted by juncture.
- microseismic — Describing any small seismic event that causes little or no damage or disturbance.
- microsurgeon — a person who performs microsurgery
- 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.
- microtubules — Plural form of microtubule.
- microvessels — Plural form of microvessel.
- middle irish — the Irish language of the 11th, 12th, and 13th centuries.
- middlebuster — Southern U.S. lister1 (def 1).
- midwesterner — Middle West.
- mifepristone — an antigestational drug, C 29 H 35 NO 2 , that prevents a fertilized egg from attaching to the uterine wall by blocking the action of progesterone.
- milk parsley — a wetland plant belonging to the family Apiaceae
- milliamperes — Plural form of milliampere.
- millihenries — Plural form of millihenry.
- millionaires — Plural form of millionaire.
- millisievert — (physics) A unit of ionizing radiation equal to 10-3 sieverts.
- minas gerais — a state in E Brazil. 224,701 sq. mi. (581,975 sq. km). Capital: Belo Horizonte.
- mine-sweeper — a specially equipped ship used for dragging a body of water in order to remove or destroy enemy mines.
- miner's dial — dial (def 6).
- miner's inch — a unit of measure of water flow, varying with locality but often a flow equaling 1.5 cu. ft. (0.04 m 3) per minute.
- mineralogies — Plural form of mineralogy.
- mineralogist — the science or study of minerals.
- minesweepers — Plural form of minesweeper.
- miniaturised — Simple past tense and past participle of miniaturise.
- miniaturizes — Third-person singular simple present indicative form of miniaturize.
- ministership — (government) The position held by a minister.
- ministrative — Serving to aid; ministering.
- minor orders — the degree or grade of acolyte, exorcist, lector, or ostiary.
- minstrelsies — Plural form of minstrelsy.
- mips project — Microprocessor without Interlocked Pipeline Stages
- mirthfulness — joyous; cheerful; jolly; merry: a mirthful laugh.
- mis director — Chief Information Officer
- mis-delivery — the carrying and turning over of letters, goods, etc., to a designated recipient or recipients.
- misaddressed — Simple past tense and past participle of misaddress.
- misadventure — an instance of bad fortune; mishap.
- misanthropes — Plural form of misanthrope.