12-letter words containing p, e, t, i, o
- phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- phytogenesis — the origin and development of plants.
- phytonadione — vitamin K1.
- 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
- pigeon-chest — chicken breast.
- pigmentation — coloration, especially of the skin.
- pilot burner — pilot light (def 1).
- pilot engine — a locomotive sent on ahead of a railroad train to see that the way is clear and the track safe.
- pilot jacket — a type of leather jacket associated with U.S. Army pilots in World War II
- pilot ladder — Jacob's ladder (def 2a).
- pinealectomy — a surgical operation to remove the pineal gland
- pipe routing — Pipe routing is the planning of pipeline layout, which includes considerations of neatness, economy, and safety.
- pipe tobacco — tobacco suitable for use in a tobacco pipe
- 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
- 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.
- placentation — Anatomy, Zoology. the formation of a placenta. the manner of placement or construction of a placenta.
- placentiform — shaped like a placenta, with a flat rounded form
- plainclothes — Plainclothes police officers wear ordinary clothes instead of a police uniform.
- pleiotropism — the condition of a gene affecting more than one characteristic of the phenotype
- plenipotence — the possession of total authority
- plenipotency — the state of being plenipotent
- pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
- 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
- pocket knife — A pocket knife is a small knife with several blades which fold into the handle so that you can carry it around with you safely.
- pocket piece — (in a window frame) a removable part of a pulley stile permitting access to sash weights.
- pocket-sized — If you describe something as pocket-sized, you approve of it because it is small enough to fit in your pocket.
- poetastering — the profession of being a poetaster
- poète maudit — a poet who receives insufficient recognition in his or her own time
- poeticalness — the characteristic of being poetical
- poikilotherm — an organism with poikilothermic qualities
- point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
- point defect — an imperfection in a crystal's lattice structure, either a missing atom or ion creating a vacancy in the lattice or an extra atom or ion between two normal lattice points creating an interstitial.
- point source — a source of radiation sufficiently distant compared to its length and width that it can be considered as a point.
- point spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
- point system — Printing. a system for grading the sizes of type bodies, leads, etc., that employs the point as a unit of measurement. Compare point (def 48a).
- point-device — completely; perfectly; exactly.
- point-spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
- pointe-noire — a seaport in the S Republic of Congo.
- 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.
- police state — a nation in which the police, especially a secret police, summarily suppresses any social, economic, or political act that conflicts with governmental policy.
- poliorcetics — the science of siegecraft
- polish wheat — a wheat, Triticum polonicum, grown chiefly in S Europe, N Africa, and Turkestan.