16-letter words containing p, r, e, i, l
- upper palatinate — See under Palatinate (def 1).
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- vapor channeling — Vapor channeling exists when vapor flow is distributed in an unequal way in a distillation vessel or stage.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- verneuil process — a process for making synthetic rubies, sapphires, spinels, etc., by the fusion at high temperatures of powdered compounds.
- videodisc player — an electronic device for playing videodiscs through a television set.
- vinylidene group — the bivalent group C 2 H 2 , derived from ethylene.
- vinylpyrrolidone — Vinylpyrrolidone is a substance used as a binder in pharmaceuticals.
- virtual particle — an elementary particle of transitory existence that does not appear as a free particle in a particular situation but that can transmit a force from one particle to another.
- visible spectrum — the range of wavelengths of electromagnetic radiation that is normally visible, from 380 to 760 nm.
- walk a tightrope — be in a precarious position
- water lily tulip — a showy tulip, Tulipa kaufmanniana, of Turkestan, having spreading, white or pale-yellow flowers with yellow centers streaked with red.
- well-appreciated — to be grateful or thankful for: They appreciated his thoughtfulness.
- well-experienced — wise or skillful in a particular field through experience: an experienced teacher.
- west springfield — a city in SW Massachusetts, near Springfield.
- whited sepulcher — an evil person who feigns goodness; hypocrite. Matt. 23:27.
- whited sepulchre — hypocrite
- windshield wiper — an electrically or pneumatically operated device consisting of a squeegee connected to a mechanical arm designed to wipe off rain, snow, etc., from a windshield or rear window.
- world exposition — world's fair.
- yellow pikeperch — the walleye, Stizostedion vitreum.
- yellow pimpernel — Lysimachia nemorum