12-letter words containing r, s, f
- lug foresail — a gaff foresail having no boom or sometimes a partial boom.
- luminiferous — producing light: the luminiferous properties of a gas.
- macrofossils — Plural form of macrofossil.
- make friends — get to know people
- malefactress — a woman who violates the law or does evil.
- man of straw — straw man.
- mansard-roof — Also called mansard roof. a hip roof, each face of which has a steeper lower part and a shallower upper part. Compare French roof.
- manufactures — Plural form of manufacture.
- mass funeral — a funeral held for several dead people at the same time
- memory farts — (jargon, humour) The flatulent sounds that some MS-DOS box BIOSes (most notably AMI's) make when checking memory at boot time.
- mercifulness — full of mercy; characterized by, expressing, or showing mercy; compassionate: a merciful God.
- microfibrils — Plural form of microfibril.
- microfibrous — Composed of microscopic fibres.
- microforceps — (surgery) A very small forceps.
- microfossils — a fossil so small that it can be studied and identified only with a microscope.
- 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.
- mirthfulness — joyous; cheerful; jolly; merry: a mirthful laugh.
- misconfigure — Configure (a system or part of it) incorrectly.
- misfeaturing — distorting the features
- misformation — the act or process of forming or the state of being formed: the formation of ice.
- misfortunate — Having suffered misfortune; pitiable.
- misinference — Incorrect inference.
- misinforming — Present participle of misinform.
- misreference — to reference (an academic work, a publication, etc) inaccurately or incorrectly
- mixed forest — a forest filling the transition from natural coniferous to deciduous forest, and containing both types of tree
- moschiferous — giving off or producing musk
- mournfulness — The property of being mournful.
- multifarious — having many different parts, elements, forms, etc.
- multiflorous — bearing many flowers, as a peduncle.
- murfreesboro — a city in central Tennessee: battle of Stone River (or Murfreesboro) 1862.
- muscle fiber — one of the structural cells of a muscle.
- muscle fibre — any of the numerous elongated contractile cells that make up striated muscle
- mutessarifat — a province governed by a mutessarif
- neckerchiefs — Plural form of neckerchief.
- nefud desert — a desert in N Saudi Arabia: areas of reddish sand. About 50,000 sq. mi. (129,500 sq. km).
- neurofibrils — Plural form of neurofibril.
- ninety-first — next after the ninetieth; being the ordinal number for 91.
- noise factor — the ratio of the noise output of an ideal device to the noise output of the unit being tested.
- nonformalism — Absence of, or a belief system that is the opposite of, formalism.
- nonfrivolous — not frivolous
- of few words — taciturn, who rarely speaks
- of o's birth — The country, town, or village of your birth is the place where you were born.
- off-islander — a temporary or seasonal resident of an island; island visitor or tourist.
- office hours — hours when a business is open
- offscourings — Often, offscourings. something scoured off; filth; refuse.
- offset paper — paper used in a printing method in which the impression is made onto an intermediate surface, such as a rubber blanket, which transfers it to the paper
- offset press — a printing press used in the offset process, whereby a printing the impression is made onto an intermediate surface, such as a rubber blanket, which transfers it to the paper
- olfactronics — the measurement and analysis of smells through instruments
- on all fours — all four limbs or extremities; the four legs or feet of an animal or both arms and both legs or both hands and both feet of a person: The cat rolled off the ledge but landed on all fours.
- ostrich fern — a tall North American fern, Matteuccia struthiopteris, with large mature leaves that resemble ostrich plumes, a popular landscaping plant whose curled new leaves, called fiddleheads, are eaten as a vegetable.