13-letter words containing a, n, p, r
- magnetosphere — the outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts. Compare magnetopause.
- mainz psalter — a book printed by Johannes Gutenberg: thought by some to be the first book printed from movable type.
- major penalty — a penalty consisting of the removal of a player for five minutes from play, no substitute for the player being permitted.
- malabsorption — faulty absorption of nutritive material from the intestine.
- malonyl group — the bivalent group C 3 H 2 O 2 , derived from malonic acid.
- mantis shrimp — any stomatopod crustacean having a pair of appendages modified for grasping prey and resembling those of a mantis.
- map reference — information that identifies the point on a map where a particular place is located
- maritime pine — cluster pine.
- marlinespikes — Plural form of marlinespike.
- married print — composite print.
- marshall plan — European Recovery Program.
- mastigophoran — Also, mastigophore [mas-ti-guh-fawr, -fohr] /ˈmæs tɪ gəˌfɔr, -ˌfoʊr/ (Show IPA). a protozoan of the phylum Mastigophora.
- maternity pay — the pay a woman receives from her work during her absence immediately before and after childbirth
- mean-spirited — petty; small-minded; ungenerous: a meanspirited man, unwilling to forgive.
- measuring cup — a graduated cup used especially in cooking for measuring ingredients.
- megasporangia — a sporangium containing megaspores.
- membranophone — any musical instrument, as a drum, in which the sound is produced by striking, rubbing, or blowing against a membrane stretched over a frame.
- merchant ship — law: commercial vessel
- merleau-ponty — Maurice, 1908–61, French phenomenological philosopher.
- metanephridia — Plural form of metanephridium.
- methylparaben — a fine, white, needlelike substance, C 8 H 8 O 3 , used chiefly as a preservative in foods and pharmaceuticals.
- methylpropane — (organic compound) isobutane.
- metropolitans — Plural form of metropolitan.
- mezzo soprano — a voice or voice part intermediate in compass between soprano and contralto.
- mezzo-soprano — a voice or voice part intermediate in compass between soprano and contralto.
- miami springs — a town in SE Florida, near Miami.
- micropayments — Plural form of micropayment.
- microperation — (processor) An elementary operation performed on data stored in registers or in memory. Microperations are classified as transfer, arithmetic, logic, or shift/rotate.
- microplankton — plankton visible as individual organisms only with the aid of a microscope, which excludes most animal plankton.
- mimeographing — Present participle of mimeograph.
- mineral pitch — asphalt.
- minor penalty — a penalty consisting of the removal of a player from play for two minutes, no substitute for the player being permitted.
- misanthropist — a hater of humankind.
- misapprehends — Third-person singular simple present indicative form of misapprehend.
- mispersuasion — a false or mistaken persuasion
- monotherapies — Plural form of monotherapy.
- monterey park — a city in SW California, E of Los Angeles.
- morning paper — a paper published the night before for distribution in the morning (as opposed to an evening paper)
- morphinomania — an addiction to morphine or opium in which the addict secretly injects the substance
- morpho-syntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- mount palomar — Mount, a mountain in S California, NE of San Diego: site of observatory. 6126 feet (1867 meters) high.
- mousetrapping — Present participle of mousetrap.
- multipartisan — Relating to or supported by multiple groups, especially by multiple political parties.
- murder weapon — the weapon that was used in a murder
- myringoplasty — (surgery) The closure of the perforation of pars tensa of the tympanic membrane.
- nail clippers — tool for cutting finger- and toenails
- nailing strip — a strip of wood or other partly yielding material attached to a hard surface, as of steel or concrete, so that objects may be nailed to the surface.
- name-dropping — the introduction into one's conversation, letters, etc., of the names of famous or important people as alleged friends or associates in order to impress others.
- nanoparticles — Plural form of nanoparticle.
- narcohypnosis — the use of drugs to induce hypnosis