15-letter words containing e, n, m
- properispomenon — a word with an accentuated penultimate syllable that is indicated by means of a circumflex
- proscenium arch — the arch separating the stage from the auditorium
- protonephridium — a tubular, excretory structure in certain invertebrates, as flatworms, rotifers, and some larvae, usually ending internally in flame cells and having an external pore
- proxy statement — a statement containing information, frequently exhaustive, about a corporation, its officers, and any propositions to be voted on, sent to stockholders when their proxies are being solicited for an annual or a special stockholders' meeting.
- pseudo-bohemian — living a wandering or vagabond life, as a Gypsy.
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- pullman kitchen — a kitchenette, often recessed into a wall and concealed by double doors or a screen.
- pulmobranchiate — possessing a pulmobranch
- pulmonary valve — a semilunar valve between the pulmonary artery and the right ventricle of the heart that prevents the blood from flowing back into the right ventricle.
- pure and simple — sheer, utter
- purslane family — the plant family Portulacaceae, characterized by chiefly herbaceous plants having simple, often fleshy leaves, sometimes showy flowers, and capsular fruit, and including bitterroot, purslane, red maids, rose moss, and spring beauty.
- put a damper on — To put a damper on something means to have an effect on it which stops it being as enjoyable or as successful as it should be.
- put the make on — to bring into existence by shaping or changing material, combining parts, etc.: to make a dress; to make a channel; to make a work of art.
- pyramid selling — Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increased price. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
- pyrimidine base — any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids
- pyrometric cone — (in a kiln) a triangular piece of material that indicates by bending or melting that a certain temperature has been reached.
- qualifying exam — any examination that one needs to pass in order to begin or continue with a course of study
- quarrelsomeness — The quality of being quarrelsome; an argumentative nature. (from 17th c.).
- quartz movement — an extremely accurate electronic movement utilizing the natural frequency of vibrations of a quartz crystal to regulate the operation of the timepiece (quartz clock or quartz watch)
- quasi-permanent — existing perpetually; everlasting, especially without significant change.
- queen maud land — a coastal region of Antarctica, S of Africa: Norwegian explorations.
- question master — quizmaster.
- quezon y molina — Manuel Luis [mah-nwel lwees] /mɑˈnwɛl lwis/ (Show IPA), 1878–1944, Philippine political leader; 1st president of the Philippine Commonwealth 1933–44.
- quinone diimine — a colorless, crystalline solid, C 6 H 6 N 2 , the parent of the indamine dyes.
- quite something — a remarkable or noteworthy thing or person
- radiogoniometer — a device used to detect the direction of radio waves, consisting of a coil that is free to rotate within two fixed coils at right angles to each other
- radiogoniometry — the science of detecting the direction of radio waves
- ram-air turbine — a small air-driven turbine fitted to an aircraft to provide power in the event of a failure of the normal systems
- ramjet (engine) — a jet engine, without moving parts, in which the air for oxidizing the fuel is continuously compressed by being rammed into the inlet by the high velocity of the aircraft
- random variable — a quantity that takes any of a set of values with specified probabilities.
- rational number — a number that can be expressed exactly by a ratio of two integers.
- re-demonstrated — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- re-entry permit — a permit required to return to certain countries after leaving for an extended period of time
- readvertisement — the act or process of advertising something again
- reaping machine — any of various machines for reaping grain, often fitted with a device for automatically throwing out bundles of the cut grain.
- reapportionment — the act of redistributing or changing the apportionment of something.
- recombinant dna — DNA in which one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.
- recombinational — belonging or relating to recombination
- recontamination — the act of contaminating, or of making something impure or unsuitable by contact with something unclean, bad, etc.
- recreation room — (in a home or public building) a room for informal entertaining, as for dancing, games, cards, etc.
- redemonstration — the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration.
- redetermination — the act of coming to a decision or of fixing or settling a purpose.
- redisbursements — the act or an instance of disbursing.
- redocumentation — The creation or revision of a semantically equivalent representation within the same relative abstraction level. The resulting forms of representation are usually considered alternate views intended for a human audience.
- reed instrument — a wind instrument with a single or double reed, as a saxophone or an oboe.
- refamiliarizing — to make (onself or another) well-acquainted or conversant with something.
- reference frame — frame of reference (def 2).
- refinery revamp — A refinery revamp is a change in the technology or processes used in a refinery.
- refreshment bar — a bar or stall that offers a variety of drinks for sale
- regimental band — a band made up of a military formation varying in size from a battalion to a number of battalions