12-letter words containing c, o, p, r, t
- pest control — rats, insects: extermination
- petrifaction — the act or process of petrifying; the state of being petrified.
- petrochemist — someone who studies petrochemistry or works in the petrochemical industry
- petrogenetic — relating to petrogenesis
- petroglyphic — relating to or having the characteristics of a petroglyph or carving made in rock
- petrophysics — the analysis of the constitution and characteristics of rocks
- phallocratic — relating to a male, or the beliefs assumed by such, who assumes authority over females due to his maleness
- pharmacolite — hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.
- phenocrystic — relating to a phenocryst
- photochromic — (of chemically treated glass or plastic) capable of darkening or changing color when exposed to light.
- photocurrent — an electric current produced by a photoelectric effect.
- photographic — of or relating to photography.
- photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
- photoproduct — any product which is produced by a chemical reaction that uses light or other electromagnetic radiation to increase energy of particles
- photothermic — pertaining to the thermal effects of light.
- phototrophic — any organism that uses light as its principal source of energy.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- pictographic — a pictorial sign or symbol.
- pictorialism — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
- pictorialist — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
- pictorialize — to make pictorial; illustrate or represent with or as if with pictures.
- picture book — a book consisting mainly or entirely of pictures, especially one for children who have not yet learned to read.
- picture mold — a molding near a ceiling from which pictures can be suspended.
- picture show — motion picture.
- picturephone — a type of telephone where users can see each other as they talk, through the transmission of video images
- pinturicchio — real name Bernardino di Betto. ?1454–1513, Italian painter of the Umbrian school
- pirate coast — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- pitched-roof — a roof sloping downward in two parts at an angle from a central ridge, so as to leave a gable at each end.
- placentiform — shaped like a placenta, with a flat rounded form
- plagiotropic — growing more or less divergent from the vertical.
- plasma torch — an electrical device for converting a gas into a plasma, used for melting metal
- platform car — a railroad freight car having no enclosing sides or top; a flatcar.
- plecopterous — relating to the order Plecoptera or stoneflies
- pneumotropic — directed toward or having an affinity for lung tissue.
- pocket drive — a small portable memory device that can be plugged into the USB port of many different types of computer
- point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
- point source — a source of radiation sufficiently distant compared to its length and width that it can be considered as a point.
- pointed arch — an arch having a pointed apex.
- police court — an inferior court with summary jurisdiction for the trial of persons accused of any of certain minor offenses, and with power to examine those charged with more serious offenses and hold them for trial in a superior court or for a grand jury.
- poliorcetics — the science of siegecraft
- politicaster — an ill-suited or disliked politician
- poll watcher — a representative of a political party or of an organization running a candidate who is assigned to the polls on an election day to watch for violations of the laws that regulate voting, campaigning, etc.
- polycentrism — the doctrine that a plurality of independent centers of leadership, power, or ideology may exist within a single political system, especially Communism.
- polyhistoric — relating to a polyhistor
- polyrhythmic — the simultaneous occurrence of sharply contrasting rhythms within a composition.
- pontificator — the office or term of office of a pontiff.
- porcelainite — Mineralogy. mullite.
- porcellanite — hard and dense rock resembling unglazed porcelain
- porismatical — porismatic
- pork butcher — a butcher who specializes in pork