15-letter words containing p, r, e, c, h
- peacock feather — a (distinctive and brightly coloured) feather from the peacock
- penshurst place — a 14th-century mansion near Tunbridge Wells in Kent: birthplace of Sir Philip Sidney; gardens laid out from 1560
- perchloric acid — a colorless, syrupy hygroscopic liquid, HClO 4 , an acid of chlorine containing one more oxygen atom than chloric acid: used chiefly as a reagent in analytical chemistry.
- perchloroethane — hexachloroethane.
- peroxysulphuric — as in peroxysulphuric acid
- perpetual check — a continuing series of checks resulting in a drawn game because they cannot be halted or evaded without resulting in checkmate or a serious disadvantage.
- pharmacotherapy — the treatment of disease through the administration of drugs.
- phenylketonuric — 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.
- phlebosclerosis — sclerosis, or hardening, of the walls of veins.
- phloem necrosis — a disease of the American elm caused by a mycoplasmalike organism, characterized by yellowing and necrosis of the foliage and yellowish-brown discoloration of the phloem.
- 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.
- phosphorescence — the property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation.
- photoelectronic — relating to electronic effects or devices affected by light
- photomicroscope — a microscope having an illuminator and a camera mechanism for producing a photomicrograph.
- photorefractive — of or relating to a change in the index of refraction by spatial variations of the light intensity, as in a laser.
- phrenologically — in a manner relating to phrenology
- physical memory — (memory management) The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.
- pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
- pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.
- pistachio green — a light or medium shade of yellow green.
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- pixels per inch — (unit, graphics) (ppi) The unit used to measure resolution of a bitmap display or video input device.
- planter's punch — a punch made with rum, lime juice, sugar, and water or soda.
- pleochroic halo — a dark-colored, microscopic ring around a minute radioactive particle in certain mineral crystals, used in estimating the age of the rocks containing these crystals
- polychlorinated — having multiple chlorine atoms
- polychloroprene — a chloroprene polymer
- posthemorrhagic — occurring after a haemorrhage
- postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
- power macintosh — Power Mac
- prairie chicken — either of two North American gallinaceous birds of western prairies, Tympanuchus cupido (greater prairie chicken) or T. pallidicinctus (lesser prairie chicken) having rufous, brown, black, and white plumage.
- primary teacher — a teacher in a primary school
- prince charming — (sometimes lowercase) a man who embodies a woman's romantic ideal.
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- progress chaser — a person employed to make sure at each stage, esp of a manufacturing process, that a piece of work is on schedule and is delivered to the customer on time
- proscenium arch — the arch separating the stage from the auditorium
- psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
- psychochemistry — the treatment of mental illnesses by drugs
- psychogeriatric — the psychology of old age.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- puerto ayacucho — a city in S Venezuela, on the Orinoco River.
- pulmobranchiate — possessing a pulmobranch
- purchase ledger — a record of a company's purchases of goods and services showing the amounts paid and due
- pyrotechnically — in a pyrotechnical manner
- quasi-spherical — having the form of a sphere; globular.
- raster graphics — (graphics) Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
- raw-pack method — cold pack (def 2).
- reaping machine — any of various machines for reaping grain, often fitted with a device for automatically throwing out bundles of the cut grain.
- reported speech — indirect quotation
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- rhombencephalon — the hindbrain.