12-letter words containing e, y, p, i
- prickly heat — a cutaneous eruption accompanied by a prickling and itching sensation, due to an inflammation of the sweat glands.
- prickly pear — any of numerous cacti of the genus Opuntia, having flattened, usually spiny stem joints, yellow, orange, or reddish flowers, and ovoid, often edible fruit.
- 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.
- prince royal — the eldest son of a king or queen.
- pro-equality — the state or quality of being equal; correspondence in quantity, degree, value, rank, or ability: promoting equality of opportunity in the workplace.
- productively — having the power of producing; generative; creative: a productive effort.
- proficiently — well-advanced or competent in any art, science, or subject; skilled: a proficient swimmer.
- profitlessly — in such a way as to not yield profit, as in financial gains or general benefits or advantages
- projectivity — of or relating to projection.
- prophesyings — gatherings held to expound the prophecies of the Scriptures
- protectingly — in a protective manner
- protectively — having the quality or function of protecting: a protective covering.
- protensively — in the manner of duration
- proverbially — of, relating to, or characteristic of a proverb: proverbial brevity.
- prudentially — of, pertaining to, characterized by, or resulting from prudence.
- pseudocyesis — false pregnancy.
- pseudonymity — pseudonymous character.
- psychoactive — of or relating to a substance having a profound or significant effect on mental processes: a psychoactive drug.
- psychologize — to make psychological investigations or speculations, especially those that are naive or uninformed.
- psychometric — Psychology. psychometrics.
- pteridophyte — any plant of the division Pteridophyta, characterized by vascular tissue and differentiation into root, stem, and leaves, comprising the ferns, horsetails, and club mosses.
- ptyalectasis — spontaneous or surgical dilatation of a salivary duct.
- 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
- pulley stile — (in a window frame) a stile against which a window sash slides.
- pygmy glider — a gliding marsupial, Acrobates pygmaeus, of Australia, growing to about the size of a mouse and having a featherlike tail.
- pyonephritis — suppurative inflammation of the kidney.
- 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
- pyrithiamine — an antivitamin that causes thiamine deficiency
- pyritiferous — having or producing pyrites
- pyritohedral — of or relating to a pyritohedron
- pyritohedron — a crystal form of 12 pentagonal faces.
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyroelectric — pertaining to, subject to, or manifesting pyroelectricity.
- pyrogenicity — the characteristic of causing fever
- pyroligneous — produced by the distillation of wood.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- pyromorphite — a mineral, lead chlorophosphate, Pb 5 P 3 O 1 2 Cl, occurring in crystalline and massive forms, and of a green, yellow, or brown color; green lead ore: a minor ore of lead.
- pyrophyllite — Mineralogy. a phyllosilicate, AlSi 2 O 5 (OH), usually having a white or greenish color, and occurring in either foliated or compact masses, the latter variety being used like soapstone.
- pyrotechnics — the art of making fireworks.
- pyrotechnist — a person skilled in pyrotechnics, especially in the manufacture or use of fireworks.
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- reciprocally — given or felt by each toward the other; mutual: reciprocal respect.