15-letter words containing p, i, s, t
- pitcairn island — a small British island in the S Pacific, SE of Tuamotu Archipelago: settled 1790 by mutineers of the Bounty. 2 sq. mi. (5 sq. km).
- pitch blackness — extreme darkness; lack of light
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- plagiostomatous — plagiostome
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- planet-stricken — believed to be adversely affected mentally or physically by the planets
- plantaginaceous — relating to or belonging to the family Plantaginaceae
- plastic surgeon — doctor who performs cosmetic surgery
- plastic surgery — the branch of surgery dealing with the repair or replacement of malformed, injured, or lost organs or tissues of the body, chiefly by the transplant of living tissues.
- plate tectonics — a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates.
- platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
- platitudinously — in a platitudinal manner
- platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
- play favourites — to display favouritism
- pleasant island — former name of Nauru.
- plunket society — the Royal New Zealand Society for the Health of Women and Children
- pluralistically — from a pluralistic point of view
- poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
- point-and-shoot — of or denoting a camera that does not require manual adjustment of shutter speed, focus, aperture, etc.
- poisson's ratio — the ratio, in an elastic body under longitudinal stress, of the transverse strain to the longitudinal strain.
- polish notation — a logical notation that dispenses with the need for brackets by writing the logical constants as operators preceding their arguments
- polling station — voting venue
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polyisobutylene — a polymer of isobutylene, used chiefly in the manufacture of synthetic rubber.
- pontifical mass — (sometimes lowercase) Roman Catholic Church. a High Mass celebrated by a bishop or other prelate.
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- port washington — a town on NW Long Island, in SE New York.
- port wine stain — a large birthmark of purplish color, usually on the face or neck.
- port-wine stain — a large birthmark of purplish color, usually on the face or neck.
- position effect — the alteration in the expression of a gene or genetic region due to its relocation within the genome as a result of inversion or translocation.
- position isomer — any of two or more isomers that differ only in the position occupied by a substituent.
- positive caster — a person or thing that casts.
- positive column — the luminous region between the Faraday dark space and the anode glow in a vacuum tube, occurring when the pressure is low.
- posse comitatus — the body of persons that a peace officer of a county is empowered to call upon for assistance in preserving the peace, making arrests, and serving writs.
- post office box — (in a post office) a locked compartment into which the mail of a box renter is put to be called for. Abbreviation: POB, P.O.B.
- post-apoplectic — of or relating to apoplexy or stroke.
- post-collegiate — of or relating to a college: collegiate life.
- post-conception — the act of conceiving; the state of being conceived.
- post-depression — the act of depressing.
- post-experience — a particular instance of personally encountering or undergoing something: My encounter with the bear in the woods was a frightening experience.
- post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
- post-liberation — the act of liberating or the state of being liberated.
- post-millennial — of or relating to the period following the millennium.
- post-office box — (in a post office) a locked compartment into which the mail of a box renter is put to be called for. Abbreviation: POB, P.O.B.
- post-parturient — bearing or about to bear young; travailing.
- post-production — In film and television, post-production is the work such as editing that takes place after the film has been shot.
- post-retirement — the act of retiring, withdrawing, or leaving; the state of being retired.
- post-revolution — an overthrow or repudiation and the thorough replacement of an established government or political system by the people governed.
- post-tridentine — of or relating to the city of Trent.
- postapocalyptic — of or like an apocalypse; affording a revelation or prophecy.