14-letter words containing p, u, n
- upper sideband — the frequency band above the carrier frequency, within which fall the spectral components produced by modulation of a carrier wave
- upper tunguska — any of three tributaries of the Yenisei River in the central Russian Federation in Asia: the (Lower Tunguska) 2000 miles (3220 km) long; the (Upper Tunguska) or the lower course of the Angara, 1151 miles (1855 km) long; and the (Stony Tunguska) about 975 miles (1570 km) long.
- upton sinclair — Harry Ford, 1876–1956, U.S. oil businessman: a major figure in the Teapot Dome scandal.
- urban planning — the planning and design of urban areas
- vapour density — the ratio of the density of a gas or vapour to that of hydrogen at the same temperature and pressure
- vascular plant — a plant having a vascular system.
- venus' flytrap — a white-flowered swamp plant (Dionaea muscipula) of the sundew family, native to the Carolinas, having sensitive leaves with two hinged blades that snap shut, often trapping insects
- viewing public — people who watch television, considered collectively
- walkaround pay — extra pay earned by an employee for accompanying an official inspector on a plant tour or around a job site.
- walpurgisnacht — (especially in medieval German folklore) the evening preceding the feast day of St. Walpurgis, when witches congregated, especially on the Brocken.
- water purslane — a creeping, Eurasian annual plant, Lythrum portula, of marshes and wetlands, having small flowers and rounded leaves.
- web-publishing — a person or company that uploads, creates, or edits content on Web pages; one who maintains or manages a website.
- western europe — countries in the west of Europe
- whooping cough — an infectious disease of the respiratory mucous membrane, caused by Bordetella pertussis, characterized by a series of short, convulsive coughs followed by a deep inspiration accompanied by a whooping sound.
- wine-producing — of or relating to a place where wine is produced
- winnipeg couch — a couch with no arms or back, opening out into a double bed
- worshipfulness — The state or condition of being worshipful; reverence.
- yellow puccoon — a plant, Lithospermum incisum, of central and western North America, having numerous branches and fringed yellow flowers.
- zona pellucida — the transparent, noncellular layer surrounding the ovum of mammals, often having radial striations.
- zygosporangium — a sporangium that bears a zygospore.