12-letter words containing p, o, i, r
- photo relief — a method of showing the configuration of the relief of an area by photographing a model of it that is illuminated by a lamp in the northwest corner
- photochromic — (of chemically treated glass or plastic) capable of darkening or changing color when exposed to light.
- photographic — of or relating to photography.
- photorealism — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
- photothermic — pertaining to the thermal effects of light.
- phototrophic — any organism that uses light as its principal source of energy.
- phototropism — phototropic tendency or growth.
- phrenologist — a psychological theory or analytical method based on the belief that certain mental faculties and character traits are indicated by the configurations of the skull.
- phrenologize — to treat with phrenology or phrenological methods
- phrontistery — a place or establishment for thinking, studying, or learning
- physiography — the science of physical geography.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- piano player — pianist.
- picornavirus — any of a group of small, RNA-containing viruses of the family Picornaviridae, infectious to humans and other animals, and including the poliovirus and the rhinoviruses that cause the common cold.
- picrocarmine — a red powder containing carmine and picric acid which is used in staining processes
- 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
- piet-my-vrou — a cuckoo, Notococcyx solitarius, having a red breast
- pig-ignorant — extremely ignorant or unknowledgeable
- pigeon grape — a high-climbing vine, Vitis aestivalis, of the eastern U.S., having leaves that are dull above and rusty beneath, and bearing black, edible fruit.
- pilfer-proof — (of a supply, stock, container, etc) protected from or not susceptible to pilfering
- pillow sword — a straight sword of the 17th century.
- pilot burner — pilot light (def 1).
- pilot ladder — Jacob's ladder (def 2a).
- pinch roller — a flexible device that presses magnetic tape against the capstan in a tape recorder.
- pindaric ode — an ode consisting of several units, each of which is composed of a strophe and an antistrophe of identical form followed by a contrasting epode.
- pinking iron — a tool for perforating, or for notching or scalloping the edge of fabric, leather, etc.
- pinot grigio — a variety of grape, grown in Italy for wine-making
- pinturicchio — real name Bernardino di Betto. ?1454–1513, Italian painter of the Umbrian school
- pioneer work — pioneer work does something that has not been done before, for example by developing or using new methods or techniques
- pipe routing — Pipe routing is the planning of pipeline layout, which includes considerations of neatness, economy, and safety.
- 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.
- pirate radio — radio broadcasting illegally
- piston skirt — The piston skirt is the cylindrical walls of a piston.
- 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.
- pityrosporum — a genus of fungi that live on the skin, esp that of the scalp and face, present in conditions such as dandruff and dermatitis
- placentiform — shaped like a placenta, with a flat rounded form
- plagiohedral — (of a crystal) having faces arranged obliquely in a helix.
- plagiotropic — growing more or less divergent from the vertical.
- planographic — the art or technique of printing from a flat surface directly or by offset.
- player piano — a piano that can play automatically when the keys are actuated electronically or by a pneumatic device controlled by a piano roll.
- pleiotropism — the condition of a gene affecting more than one characteristic of the phenotype
- pleomorphism — existence of an organism in two or more distinct forms during the life cycle; polymorphism.
- plerocercoid — the wormlike larval stage of some tapeworms, intermediate between the first parasitic larval stage and adult.