15-letter words containing p, r, i, n, t, h
- probationership — the position of a probationer
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- protonephridium — a tubular, excretory structure in certain invertebrates, as flatworms, rotifers, and some larvae, usually ending internally in flame cells and having an external pore
- pseudonephritis — a condition, thought to be benign, in which microscopic amounts of blood and protein are present in the urine, occurring commonly among athletes after strenuous exercise.
- psychohistorian — a person who writes psychohistory
- pulchritudinous — physically beautiful; comely.
- pulmobranchiate — possessing a pulmobranch
- put on the ritz — ostentatious or pretentious display.
- pyrotechnically — in a pyrotechnical manner
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- scratching post — a block or post of wood, usually covered with carpeting, on which a cat can use its claws.
- shock probation — the release on probation of a criminal after brief imprisonment
- shooting script — a motion-picture scenario having the scenes arranged in the order in which they are to be photographed.
- shopping center — a group of stores within a single architectural plan, supplying most of the basic shopping needs, especially in suburban areas.
- shopping centre — A shopping centre is a specially built area containing a lot of different shops.
- southern paiute — See under Paiute (def 2).
- spanish trefoil — alfalfa.
- speech training — training designed to improve spoken skills, such as voice projection
- spheroidization — the conversion of grains into spheroids
- sporting chance — an even or fair opportunity for a favorable outcome in an enterprise, as winning in a game of chance or in any kind of contest: They gave the less experienced players a sporting chance by handicapping the experts.
- stretch a point — a sharp or tapering end, as of a dagger.
- symphony writer — a composer of an extended large-scale orchestral composition, usually with several movements, at least one of which is in sonata form
- the perigordian — the Perigordian culture
- the phanerozoic — the Phanerozoic era
- the precambrian — the Precambrian era
- the upper rhine — the section of the Rhine between Basel, Switzerland and Bingen, Germany
- thermal printer — a printer that produces output by selectively heating a heat-sensitive paper (thermal paper) in patterns corresponding to the characters to be produced.
- thraco-phrygian — a hypothetical branch of Indo-European implying a special genetic affinity between the meagerly attested Thracian and Phrygian languages.
- three-line whip — A three-line whip is a situation where the MPs in a political party are ordered to attend parliament and vote in a particular way on a particular issue.
- trainspotterish — obsessed with trivial details, esp of a subject generally considered uninteresting
- uncopyrightable — not able to be copyrighted
- walpurgis night — (especially in medieval German folklore) the evening preceding the feast day of St. Walpurgis, when witches congregated, especially on the Brocken.
- weatherproofing — Present participle of weatherproof.