12-letter words containing o, p, e, r
- meganthropus — a proposed genus of extinct, late lower Pleistocene primates based on two large lower jaws found in Java, and believed to be either Australopithecine or human.
- melanophores — Plural form of melanophore.
- melanotropin — MSH.
- melrose park — a city in NE Illinois, near Chicago.
- memphremagog — Lake, a lake on the boundary between the U.S. and Canada, between N Vermont and S Quebec. 30 miles (48 km) long.
- meroplankton — a floating mass of eggs and larvae of organisms that are nektonic or benthic in their adult stage; temporary plankton.
- mesomorphous — mesomorphic
- metabotropic — Describing a neurotransmitter or cell receptor whose action is mediated by metabolic functions (e.g. enzyme activation).
- metacomputer — an interconnected and balanced set of computers that operate as a single unit
- metallograph — a microscope for observing the microstructure of metals.
- 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
- metamorphize — (transitive) To transform or change; metamorphose.
- metamorphose — to change the form or nature of; transform.
- metamorphous — metamorphic.
- metaphorical — 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).
- meteorograph — an instrument for automatically recording various meteorological conditions, as barometric pressure and temperature, at the same time.
- methyl group — the univalent group CH 3 −, derived from methane.
- metropolises — any large, busy city.
- metropolitan — of, noting, or characteristic of a metropolis or its inhabitants, especially in culture, sophistication, or in accepting and combining a wide variety of people, ideas, etc.
- microamperes — Plural form of microampere.
- microcapsule — a tiny capsule, 20–150 microns in diameter, used for slow-release application of drugs, pesticides, flavors, etc.
- microcephaly — having a head with a small braincase.
- microchipped — Simple past tense and past participle of microchip.
- microforceps — (surgery) A very small forceps.
- microgripper — (engineering) A microscopic device used to grasp and manipulate microscale objects safely.
- micropayment — A very small payment made each time a user accesses an Internet page or service.
- micropipette — a very slender pipette for transferring or measuring minute amounts of fluid, microorganisms, etc.
- microplanner — A subset of PLANNER, implemented in Lisp by Gerald Sussman et al at MIT. Its important features were goal-oriented, pattern-directed procedure invocation, an embedded knowledge base, and automatic backtracking. microPLANNER was superseded by Conniver.
- microprinted — printed in microprint
- micropterous — (of certain animals, esp some types of ant) having small reduced wings
- microscopies — Plural form of microscopy.
- 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.
- mimeographed — Simple past tense and past participle of mimeograph.
- minicomputer — a computer with processing and storage capabilities smaller than those of a mainframe but larger than those of a microcomputer.
- minor planet — asteroid (def 1).
- mips project — Microprocessor without Interlocked Pipeline Stages
- misanthropes — Plural form of misanthrope.
- misoperation — an act or instance, process, or manner of functioning or operating.
- mispronounce — Pronounce (a word) incorrectly.
- mitteleuropa — Central Europe.
- mond process — a process for obtaining nickel by heating the ore in carbon monoxide to produce nickel carbonyl vapour, which is then decomposed at a higher temperature to yield the metal
- money expert — someone knowledgeable about money, esp ways to save money
- money player — a person who performs best under pressure, especially in a competitive situation.
- money spider — any of certain small shiny brownish spiders of the family Linyphiidae
- monodisperse — (of a colloid) Having particles of (approximately) the same size.
- monopolizers — Plural form of monopolizer.
- monospermous — having one seed.
- monoterpenes — Plural form of monoterpene.
- montparnasse — a district in S Paris, France, on the left bank of the Seine: noted for its cafés and the artists and writers who have frequented and lived in the area.