13-letter words containing e, m, p, n
- jumping genes — transposon.
- jumping mouse — any of several primitive, mouselike rodents of the family Zapodidae, having long hind legs, common in the woodlands of Europe, Asia, and North America.
- kaufmann peak — former name of Lenin Peak.
- kerosene lamp — light fuelled by paraffin
- kinematograph — cinematograph.
- kleptomaniacs — Plural form of kleptomaniac.
- lamellaphones — Plural form of lamellaphone.
- leptomeninges — The inner two meninges, the arachnoid and the pia mater, between which circulates the cerebrospinal fluid.
- lepton number — in a process involving elementary particles, the total number of leptons minus the total number of antileptons.
- line spectrum — an electromagnetic spectrum consisting of discrete lines, usually characteristic of excited atoms or molecules.
- lymphadenitis — inflammation of a lymphatic gland.
- lymphopoietin — (protein) A cytokine protein that has a function in T cell maturation.
- macrencephaly — The presence of an abnormally large brain.
- magnetic pole — the region of a magnet toward which the lines of magnetic induction converge (south pole) or from which the lines of induction diverge (north pole)
- magnetic tape — strip sensitive to electromagnets
- magnetic-tape — a ribbon of material, usually with a plastic base, coated on one side (single tape) or both sides (double tape) with a substance containing iron oxide, to make it sensitive to impulses from an electromagnet: used to record sound, images, data, etc.
- magnetographs — Plural form of magnetograph.
- magnetooptics — the branch of physics that deals with magnetooptic phenomena.
- 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.
- maiden speech — the first speech made in a legislature by a newly elected member.
- 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.
- make position — the situation in which a short vowel may be regarded as long, that is, when it occurs before two or more consonants
- maldeployment — the inefficient use of resources or an instance of such
- manipulatable — to manage or influence skillfully, especially in an unfair manner: to manipulate people's feelings.
- manipulatives — influencing or attempting to influence the behavior or emotions of others for one’s own purposes: a manipulative boss.
- 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.
- masking piece — a flat, curtain, or other piece of scenery for concealing a part of a stage from the audience.
- 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.
- medicine shop — (in Malaysia) a Chinese chemist's shop where traditional herbs are sold as well as modern drugs. It is not, however, a dispensary for prescribed medicines
- meeting place — A meeting place is a place where people meet.
- megalopolitan — of, relating to, or characteristic of a megalopolis.
- megasporangia — a sporangium containing megaspores.
- melbourne cup — an annual horse race run in Melbourne, since 1861
- melting point — the temperature at which a solid substance melts or fuses.
- 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.
- mesencephalic — Anatomy. the midbrain.
- mesencephalon — Anatomy. the midbrain.
- mesne profits — rents or profits accruing during the rightful owner's exclusion from his land
- metallophones — Plural form of metallophone.
- metanephridia — Plural form of metanephridium.
- metaphysician — a person who creates or develops metaphysical theories.
- metencephalon — the anterior section of the hindbrain, comprising the cerebellum and pons.