14-letter words containing a, t, o, p
- pay television — a commercial service that broadcasts or provides television programs to viewers who pay a monthly charge or a per-program fee.
- paz estenssoro — Victor [beek-tawr] /ˈbik tɔr/ (Show IPA), 1907–2001, Bolivian economist and statesman: president 1952–56, 1960–64, 1985–89.
- peace movement — a movement seeking to end wars and reduce nuclear weapons
- peacock's tail — a handsome brown seaweed, Padina pavonia (though coloured yellow-olive, red, and green) whose fan-shaped fronds have concentric bands of iridescent hairs
- pectoral cross — a cross worn on the breast by various prelates, as a designation of office.
- pembroke table — a drop-leaf table with fly rails and with a drawer at one end or each end of the skirt.
- penalty corner — a free hit from the goal line taken by the attacking side
- penalty double — business double.
- penalty stroke — a stroke added to a score for a rule infraction.
- pennatulaceous — of or relating to a sea pen
- pentanoic acid — colourless liquid carboxylic acid
- pentecostarion — a service book of offices for the period from Easter to the Sunday after Pentecost.
- people's party — a political party (1891–1904), advocating expansion of currency, state control of railroads, the placing of restrictions upon ownership of land, etc.; Populist party.
- percutaneously — through the skin
- performability — the quality of being performable
- perhydrogenate — to hydrogenate as completely as possible.
- periodic table — a table illustrating the periodic system, in which the chemical elements, formerly arranged in the order of their atomic weights and now according to their atomic numbers, are shown in related groups.
- peritonealized — to cover with peritoneum.
- perlocutionary — (of a speech act) producing an effect upon the listener, as in persuading, frightening, amusing, or causing the listener to act.
- permanent echo — a radar signal reflected to a radar station on the ground by a building or other fixed object.
- permanent mold — a reusable metal mold used for making a large number of identical castings.
- persian violet — any of several plants belonging to the genus Exacum, native to the Old World, as E. affine, having glossy, ovate leaves, and fragrant, bluish flowers: cultivated as a houseplant.
- personal staff — the aides of a general officer or a flag officer.
- pertinaciously — holding tenaciously to a purpose, course of action, or opinion; resolute.
- perturbational — relating to perturbation
- petrochemicals — substances, such as acetone or ethanol, obtained from petroleum or natural gas
- petrol station — A petrol station is a garage by the side of the road where petrol is sold and put into vehicles.
- petty official — a minor official in government, etc
- phallocentrism — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phantasmagoria — a shifting series of phantasms, illusions, or deceptive appearances, as in a dream or as created by the imagination.
- phantasmagoric — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- pharmacologist — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacopolist — a person who sells pharmaceutical products
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- phenobarbitone — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- phenotypically — the observable constitution of an organism.
- phenylbutazone — a potent substance, C 1 9 H 2 0 N 2 O 2 , used to reduce pain and inflammation in rheumatic diseases and gout, and used in veterinary medicine for musculoskeletal disorders.
- phenylthiourea — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- philanthropist — a person who practices philanthropy.
- philanthropize — to treat (persons) in a philanthropic manner.
- philanthropoid — an individual who does work for a charitable body
- philosophaster — a person who has only a superficial knowledge of philosophy or who feigns a knowledge he or she does not possess.
- phosphate rock — phosphorite.
- photoautotroph — any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.
- photocatalysis — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photocatalytic — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photoduplicate — photocopy.
- photoengraving — a photographic process of preparing printing plates for letterpress printing.
- photogrammetry — the process of making surveys and maps through the use of photographs, especially aerial photographs.
- photographical — of or relating to photography.