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12-letter words containing e, m, p, y

  • photopolymer — a polymer or plastic that undergoes a change in physical or chemical properties when exposed to light.
  • phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
  • phytohormone — hormone (def 3).
  • piet-my-vrou — a cuckoo, Notococcyx solitarius, having a red breast
  • pinealectomy — a surgical operation to remove the pineal gland
  • pneumaticity — the condition of being pneumatic
  • pneumatocyst — the cavity of a pneumatophore.
  • pneumatology — Theology. doctrine concerning the Holy Spirit. the belief in intermediary spirits between humans and God.
  • pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
  • pneumography — the process of recording the movements of the thorax in respiration.
  • pneumonology — the study of the respiratory system
  • pocket money — money for small, current expenses.
  • point system — Printing. a system for grading the sizes of type bodies, leads, etc., that employs the point as a unit of measurement. Compare point (def 48a).
  • policymakers — a person responsible for making policy, especially in government.
  • polycentrism — the doctrine that a plurality of independent centers of leadership, power, or ideology may exist within a single political system, especially Communism.
  • polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
  • polycythemic — relating to polycythemia
  • polyembryony — the production of more than one embryo from one egg.
  • polyribosome — polysome.
  • port moresby — an independent republic in the W Pacific Ocean, comprising the E part of New Guinea and numerous near-lying islands, including the Bismarck Archipelago, the Admiralty Islands, the Trobriand Islands, and Bougainville and Buka in the Solomon Islands: a former Australian Trusteeship Territory; independent since 1975; member of the Commonwealth of Nations. 178,260 sq. mi. (461,693 sq. km). Capital: Port Moresby.
  • pouilly-fume — a dry, white wine from the Loire Valley of France.
  • praseodymium — a rare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; atomic weight: 140.91; atomic number: 59; specific gravity: 6.77 at 20°C.
  • pre-assembly — an assembling or coming together of a number of persons, usually for a particular purpose: The principal will speak to all the students at Friday's assembly.
  • pre-ceremony — the formal activities conducted on some solemn or important public or state occasion: the coronation ceremony.
  • preeminently — eminent above or before others; superior; surpassing: He is preeminent in his profession.
  • preemptively — of or relating to preemption.
  • premaritally — in a premarital manner
  • premaxillary — one of a pair of bones of the upper jaw of vertebrates, situated in front of and between the maxillary bones.
  • prenominally — before a noun
  • primary beam — a beam of particles of one kind selected from the group of particles produced when a beam of particles from an accelerator (primary beam) strikes a target.
  • primary care — medical care by a physician, or other health-care professional, who is the patient's first contact with the health-care system and who may recommend a specialist if necessary.
  • primary cell — a cell designed to produce electric current through an electrochemical reaction that is not efficiently reversible, so that the cell when discharged cannot be efficiently recharged by an electric current.
  • primary type — a specimen used in the original description or illustration of a species.
  • primary verb — one of the three verbs, be, do, and have, that can function both as a main verb and an auxiliary verb.
  • primary wave — Seismology. P wave.
  • pro-employer — a person or business that employs one or more people, especially for wages or salary: a fair employer.
  • property man — a member of the stage crew in charge of the stage properties
  • pseudomartyr — someone falsely or inaccurately called a martyr
  • pseudonymity — pseudonymous character.
  • pseudonymous — bearing a false or fictitious name.
  • psychometric — Psychology. psychometrics.
  • psychrometer — an instrument for determining atmospheric humidity by the reading of two thermometers, the bulb of one being kept moist and ventilated.
  • psychrometry — the employment of the psychrometer.
  • public enemy — a person or thing considered a danger or menace to the public, especially a wanted criminal widely sought by the F.B.I. and local police forces.
  • public money — money that has been collected by the state, usually through taxation
  • put money on — to place a bet on
  • pygmy glider — a gliding marsupial, Acrobates pygmaeus, of Australia, growing to about the size of a mouse and having a featherlike tail.
  • pyramid peak — a mountain in W central Colorado, in the Elk Range, in the S Rocky Mountains. 14,018 feet (4276 meters).
  • pyrazinamide — a substance, C 5 H 5 N 3 O, used in the treatment of tuberculosis.
  • pyridoxamine — a metabolic form of pyridoxine
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