15-letter words containing p, i, t, e, o
- the paleolithic — the Paleolithic period, subdivided into the Lower (to c. 150,000 b.c.), Middle (to c. 38,000 b.c.), and Upper stages; Old Stone Age
- the perigordian — the Perigordian culture
- the phanerozoic — the Phanerozoic era
- the pleistocene — the Pleistocene epoch or rock series
- the prime mover — God, esp when considered as a first cause
- the proprieties — the standards of behaviour considered correct by polite society
- the proterozoic — the Proterozoic Eon or its rocks
- the riot police — the section of the police force that is trained to deal with people who cause trouble in public places
- theriomorphosis — transformation into an animal form, often associated with mythological characters
- thermoperiodism — the effect on an organism of rhythmic fluctuations in temperature.
- thomas à kempis — Thomas à, 1379?–1471, German ecclesiastic and author.
- threshold price — the highest price a retailer is allowed to sell a particular good at
- to get mixed up — if you get mixed up, you get confused about something
- to play footsie — If someone plays footsie with you, they touch your feet with their own feet, for example under a table, often as a playful way of expressing their romantic or sexual feelings towards you.
- top-of-the-line — being the best and usually the most expensive of its kind: The company previewed its top-of-the-line carpeting.
- total depravity — the Calvinist doctrine that humankind's entire nature, including its reason, is corrupt or sinful as a result of the Fall and that people are therefore completely dependent on God for regeneration.
- trainspotterish — obsessed with trivial details, esp of a subject generally considered uninteresting
- trapdoor spider — any of various, often large, spiders (esp. family Ctenizidae) that dig a burrow and cover the entrance with a hinged lid like a trapdoor
- treaty of paris — a treaty of 1763 signed by Britain, France, and Spain that ended their involvement in the Seven Years' War
- trifluoperazine — a compound, C 21 H 24 F 3 N 3 S, used as an antipsychotic.
- ultramicroscope — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- unary operation — an operation in a mathematical system by which one element is used to yield a single result, as squaring or taking the square root.
- uncompassionate — having or showing compassion: a compassionate person; a compassionate letter.
- uncomplimentary — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- uncooperatively — in an uncooperative or unhelpful manner
- uncopyrightable — not able to be copyrighted
- underpopulation — having a population lower than is normal or desirable.
- underproduction — production that is less than normal or than is required by the demand.
- unexceptionable — not offering any basis for exception or objection; beyond criticism: an unexceptionable record of achievement.
- unpretentiously — without pretension
- unproportionate — proportioned; being in due proportion; proportional.
- unprotestantize — to make something (e.g. a church, country, etc) a religion other than Protestant
- unsophisticated — not sophisticated; simple; artless.
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- upper arlington — a city in central Ohio, near Columbus.
- vespertilionine — of or relating to the bats of the subfamily Vespertilioninae, common in temperate regions and including most familiar species.
- visible exports — goods sold to a foreign country or countries
- visible imports — products that a company or country buys from other countries
- voting precinct — one of several areas, each containing a polling place, into which a town or city is split for voting purposes
- water pollution — the pollution of the sea and rivers
- weatherproofing — Present participle of weatherproof.
- well-positioned — condition with reference to place; location; situation.
- whip into shape — to bring by vigorous action into the proper or desired condition
- white corpuscle — white blood cell.
- wilson's petrel — a small petrel, Oceanites oceanicus, that breeds in the Southern Hemisphere but ranges into the North Atlantic and Pacific oceans.
- wind-pollinated — being pollinated by airborne pollen.
- winnie-the-pooh — a collection of children's stories (1926) by A. A. Milne.
- with respect to — as regards
- wood turpentine — turpentine obtained from pine trees.
- write-protected — (of a computer disk) having been protected from accidental writing or erasure