12-letter words containing s, p, r, o
- lower depths — a play (1902) by Maxim Gorki.
- lycanthropes — Plural form of lycanthrope.
- macrocarpous — having large fruit.
- macrophagous — (of an animal) feeding on relatively large particles of food
- macrophysics — the branch of physics that deals with physical objects large enough to be observed and treated directly.
- macropterous — having long or large wings or fins.
- madreporites — Plural form of madreporite.
- malapropisms — Plural form of malapropism.
- manipulators — Plural form of manipulator.
- 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.
- mass-produce — to produce or manufacture (goods) in large quantities, especially by machinery.
- massotherapy — treatment by massage.
- master point — a point awarded to a bridge player who has won or placed in an officially recognized tournament.
- mastigophora — a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals.
- mastigophore — Any flagellate of the phylum Mastigophora.
- media person — a person who works in the mass media
- mediatorship — the position of a mediator
- 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.
- melrose park — a city in NE Illinois, near Chicago.
- mesomorphous — mesomorphic
- 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
- metamorphose — to change the form or nature of; transform.
- metamorphous — metamorphic.
- metropolises — any large, busy city.
- microamperes — Plural form of microampere.
- 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.
- microphagous — (of an animal) feeding on small particles of food
- microphallus — The condition of having an abnormally small penis; micropenis.
- microphonics — (electronics) The phenomenon where certain components in electronic devices transform mechanical vibrations into an unwanted electrical signal.
- microphonism — a usually undesirable property of some electronic circuits or components in which mechanical vibrations of a component affect the signal being transmitted through the circuit.
- 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.
- micropterous — (of certain animals, esp some types of ant) having small reduced wings
- micropublish — to publish on microfilm or microfiche.
- microscopics — Any behaviour or characteristic observable at a microscopic scale.
- microscopies — Plural form of microscopy.
- microscopist — An expert at microscopy.
- microscopium — a faint constellation in the S hemisphere lying near Sagittarius and Capricornus
- 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.
- mips project — Microprocessor without Interlocked Pipeline Stages
- misanthropes — Plural form of misanthrope.
- misanthropic — of, relating to, or characteristic of a misanthrope.
- misoperation — an act or instance, process, or manner of functioning or operating.
- misportrayal — the act of portraying.
- mispronounce — Pronounce (a word) incorrectly.
- mobius strip — a continuous, one-sided surface formed by twisting one end of a rectangular strip through 180° about the longitudinal axis of the strip and attaching this end to the other.
- 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 spider — any of certain small shiny brownish spiders of the family Linyphiidae