13-letter words containing p, r, o, c, h
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- pharmacognosy — materia medica (def 2).
- pharmacologic — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacopoeia — a book published usually under the jurisdiction of the government and containing a list of drugs, their formulas, methods for making medicinal preparations, requirements and tests for their strength and purity, and other related information.
- pharyngectomy — excision of part or all of the pharynx.
- pharyngoscope — an instrument for inspecting the pharynx.
- pharyngoscopy — an examination by means of a pharyngoscope.
- philanthropic — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phlebographic — relating to phlebography or the X-ray imaging of a vein that has been injected with a dye that is visible on the image taken
- phonoreceptor — a receptor stimulated by sound waves.
- photoallergic — photosensitive.
- photochromism — the reversible transformation of something's colour due to exposure to electromagnetic radiation such as sunlight
- photocomposer — a machine for setting type photographically.
- photodetector — photosensor.
- photoelectric — pertaining to the electronic or other electric effects produced by light.
- photoelectron — an electron emitted from a system by the photoelectric effect.
- photoreaction — a chemical reaction that involves or requires light.
- photoreceptor — a receptor stimulated by light.
- photorecorder — a device for making photographic records.
- phreatophytic — of, possessing the properties of, or relating to a phreatophyte
- phycoerythrin — a red protein pigment occurring in red algae.
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- physiographic — the science of physical geography.
- piano teacher — tutor of piano-playing
- picture phone — a mobile phone that can take, send, and receive photographs
- plymouth rock — a rock at Plymouth, Massachusetts, on which the Pilgrims who sailed on the Mayflower are said to have stepped ashore when they landed in America in 1620.
- pocket gopher — any of numerous burrowing rodents of the family Geomyidae, of western and southern North America and Central America, having large, external, fur-lined cheek pouches.
- poker machine — a fruit machine
- polished rice — white rice polished or buffed by leather-covered cylinders during processing.
- polychromatic — having or exhibiting a variety of colors.
- pontchartrain — Lake, a shallow extension of the Gulf of Mexico in SE Louisiana, N of New Orleans. 41 miles (66 km) long; 25 miles (40 km) wide.
- porcupinefish — any of several fishes of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.
- port harcourt — a seaport in S Nigeria.
- porte-cochere — a covered carriage entrance leading into a courtyard.
- powder charge — propellant (def 2).
- prague school — a school of linguistics emphasizing structure, active in the 1920s and 1930s.
- preceptorship — an instructor; teacher; tutor.
- presto chango — change at once (usually used imperatively, as in a magician's command).
- promonarchist — the principles of monarchy.
- prophetically — of or relating to a prophet: prophetic inspiration.
- prosectorship — the position or responsibility of a prosector
- protectorship — a person or thing that protects; defender; guardian.
- protest march — public demonstration
- protochordate — any of the nonvertebrate chordates, as the tunicates, cephalochordates, and hemichordates.
- pseudo-heroic — Also, heroical. of, relating to, or characteristic of a hero or heroine.
- psilanthropic — relating to psilanthropism
- psychobabbler — a person who uses psychobabble
- psychographer — a person who writes a psychograph; a psychological or psychographic biographer.