17-letter words containing t, o, p, r, i
- traffic policeman — a policeman controlling traffic, esp while stationed at an intersection, or enforcing traffic regulations
- trapdoor function — a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram.
- travelling people — Gypsies or other itinerant people: a term used esp by such people of themselves
- trick photography — photography that creates an illusion
- triskaidekaphobia — fear or a phobia concerning the number 13.
- tropical aquarium — an aquarium designed for the maintenance and breeding of tropical fish and kept at a suitably warm temperature.
- tropical maritime — a type of warm, wet air mass originating at low latitudes over ocean areas
- tropical medicine — the branch of medicine dealing with the study and treatment of diseases occurring in the tropics.
- ultrametamorphism — metamorphism during which the temperature of a rock exceeds its melting point.
- unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
- uncooperativeness — working or acting together willingly for a common purpose or benefit.
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- unify corporation — (company) Developers of the Unify relational database. At one time, before Sybase, they were a competitor of Oracle, et al.
- unproportionately — proportioned; being in due proportion; proportional.
- upper paleolithic — See under Paleolithic.
- urban exploration — a recreational activity in which people explore derelict urban structures such as abandoned sewers or underground railways or attempt to access areas which are closed to the public such as the roofs of skyscrapers
- vacuum aspiration — menstrual extraction.
- vittore carpaccio — Vittore [veet-taw-re] /vitˈtɔ rɛ/ (Show IPA), c1450–1525, Venetian painter.
- warehouse receipt — a receipt for goods placed in a warehouse.
- weapons inspector — a person who inspects a country's weapons
- wedding reception — party after a marriage
- well-proportioned — adjusted to proper proportion or relation.
- winter heliotrope — a creeping perennial, Petasites fragrans, related to the butterbur, having lilac to heliotrope-coloured flowers smelling of vanilla: found chiefly on road verges
- wireless operator — a radio operator
- without prejudice — fairly
- wood preservative — a coating applied to timber as a protection against decay, insects, weather, etc
- xerox corporation — (company) A US company, founded in 1906, specialising in document related technology and services including photocopiers, printers and office software. Xerox's acquisition of Affiliated Computer Services added business process and document management to their product range. In 2013 they have 140,000 employees. Their research centre, XEROX PARC, prototyped several revolutionary advances in computing, which the company failed to exploit, including the WIMP desktop metaphor and XEROX Network Services.
- youth programming — the creation and scheduling of television programmes specifically aimed at young people
- zero-point energy — energy in a substance at the temperature of absolute zero.
- zygomatic process — any of several bony processes that articulate with the cheekbone.