15-letter words containing p, a, t, r, o
- paurometabolous — designating or of a group of insect orders, as orthopterans or hemipterans, in which metamorphosis to the adult state from the juvenile state is gradual and without any sudden, radical change of body form
- pavel petrovich — Paul I (def 2).
- peacock feather — a (distinctive and brightly coloured) feather from the peacock
- peak production — the maximum production
- pectoral girdle — (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
- pectoral muscle — muscle of the chest
- penetration aid — a device or tactic, as the use of chaff or decoys or the maintaining of a low flight level, that helps an aircraft or missile to enter hostile air space.
- pentaerythritol — a white, crystalline, water-soluble powder, C 5 H 1 2 O 4 , used chiefly in the manufacture of alkyd resins, varnishes, plasticizers, and explosives.
- perchloroethane — hexachloroethane.
- perforating gun — A perforating gun is a device used to make holes in oil and gas wells in preparation for production.
- performance art — a collaborative art form originating in the 1970s as a fusion of several artistic media, as painting, film, video, music, drama, and dance, and deriving in part from the 1960s performance happenings.
- performing arts — dance, drama, music
- pergamentaceous — (esp of plants) resembling parchment, whether in texture or composition
- period-rotation — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
- permanent tooth — any of the 32 adult teeth that replace the 20 milk teeth.
- personal estate — movable property
- personal growth — development as an individual
- personal stereo — A personal stereo is a small cassette or CD player with very light headphones, which people carry round so that they can listen to music while doing something else.
- personalization — to have marked with one's initials, name, or monogram: to personalize stationery.
- personification — the attribution of human nature or character to animals, inanimate objects, or abstract notions, especially as a rhetorical figure.
- peter of amiens — c1050–1115, French monk: preacher of the first Crusade 1095–99.
- phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
- pharmacotherapy — the treatment of disease through the administration of drugs.
- phenylketonuria — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
- philanthropical — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonautographic — relating to a phonautograph or a piece of equipment that records sound visually by detecting the sound waves and indicating them on a graph
- phosphate group — the group or radical obtained by removal of one or more hydrogen atoms from phosphoric acid.
- phosphocreatine — a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.
- phosphorylation — to introduce the phosphoryl group into (an organic compound).
- phosphorylative — of or relating to phosphorylation
- photodegradable — (of a substance) capable of being broken down by light.
- photofluorogram — a recording on photographic film of images produced by a fluoroscopic examination.
- photoheliograph — an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.
- photojournalism — journalism in which photography dominates written copy, as in certain magazines.
- photolithograph — Also, photolithoprint [foh-tuh-lith-uh-print] /ˌfoʊ təˈlɪθ əˌprɪnt/ (Show IPA). a lithograph printed from a stone or the like upon which a picture or design has been formed by photography.
- photomacrograph — a photograph showing a subject at actual size or somewhat larger.
- photomicrograph — a photograph taken through a microscope.
- photorefractive — of or relating to a change in the index of refraction by spatial variations of the light intensity, as in a laser.
- phototelegraphy — facsimile (def 2a).
- phototopography — topographical surveying employing photogrammetric methods.
- phototransistor — a transistor that amplifies current induced by photoconductivity.
- phototropically — in a phototropic manner
- phototypography — (formerly) the art or technique of making printing surfaces by light or photography, by any of a large number of processes.
- photoxylography — the process of using photography in order to produce an image on wood, for the use of a wood engraver
- physiotherapist — physical therapy.
- piano reduction — a musical score having the parts condensed or simplified in two staves, to render the music playable on the piano by one person.
- pictorial janus — K. Kahn, Xerox. Visual extension of Janus. Requires Strand88 and a PostScript interpreter.
- piece to camera — a TV report in which a reporter is filmed saying something
- pierrot lunaire — a cycle of 21 songs (1912) for voice and instruments, by Arnold Schönberg, written in Sprechgesang style and set to poems of Albert Giraud in German translation.
- pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.