15-letter words containing t, a, s, i
- 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.
- pluralistically — from a pluralistic point of view
- 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.
- 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.
- positive caster — a person or thing that casts.
- 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-apoplectic — of or relating to apoplexy or stroke.
- post-collegiate — of or relating to a college: collegiate life.
- 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-parturient — bearing or about to bear young; travailing.
- postapocalyptic — of or like an apocalypse; affording a revelation or prophecy.
- postdevaluation — the period following the devaluation of a currency
- posthemorrhagic — occurring after a haemorrhage
- postinoculation — the act or process of inoculating.
- postirradiation — occurring after or due to irradiation
- postoperatively — occurring after a surgical operation.
- postpollination — occurring after pollination
- poststimulation — occurring after stimulation
- poststimulatory — following stimulation
- posttransfusion — occurring after or as a result of a transfusion
- postulationally — in a postulational manner
- postvaccination — occurring after a vaccination
- power macintosh — Power Mac
- practical nurse — a person who has not graduated from an accredited school of nursing but whose vocation is caring for the sick.
- pragmaticalness — the quality of being pragmatical or meddlesome
- prairie oysters — a raw egg, or the yolk of a raw egg, often mixed with seasonings, as salt, pepper, Worcestershire sauce, and used as a hangover remedy.
- pre-acquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- pre-advertising — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- pre-established — to establish beforehand.
- pre-legislative — having the function of making laws: a legislative body.
- pre-romanticism — romantic spirit or tendency.
- precipitantness — the condition or quality of being precipitant, hastiness
- preferentialism — the economic system of preference, esp amongst British commonwealth countries
- preferentialist — someone who believes in preferentialism
- preformationism — the belief in the theory of preformation
- preformationist — someone who advocates the theory of preformation