13-letter words containing a, s, p, o
- unsupportable — capable of being supported; endurable; maintainable.
- up to scratch — to break, mar, or mark the surface of by rubbing, scraping, or tearing with something sharp or rough: to scratch one's hand on a nail.
- ups and downs — good and bad experiences
- vagodepressor — decreasing or mimicking the decrease of the activity of the vagus nerve.
- vapor tension — vapor pressure.
- vapourishness — the quality or state of being vapourish
- vino de pasto — a pale, dry sherry of Spain.
- visual foxpro — (database) A Microsoft database derived from Fox Software's FoxPRO.
- wafflestomper — a shoe with a thick sole resembling a waffle
- walter piston — Walter, 1894–1976, U.S. composer.
- waste product — material discarded as useless in the process of producing something.
- water opossum — yapok.
- watering spot — watering hole
- waterscorpion — any of several predaceous aquatic bugs of the family Nepidae, having clasping front legs and a long respiratory tube at the rear of the abdomen: capable of biting if handled.
- weapon system — a weapon and the components necessary to its proper function, such as targeting and guidance devices
- weapons-grade — Weapons-grade substances such as uranium or plutonium are of a quality which makes them suitable for use in the manufacture of nuclear weapons.
- weatherperson — a meteorologist or weathercaster.
- weatherproofs — Third-person singular simple present indicative form of weatherproof.
- west paterson — a town in NE New Jersey.
- work stoppage — the collective stoppage of work by employees in a business or an industry to protest working conditions.
- xiphiplastron — the fourth lateral plate of a turtle's plastron
- zinjanthropus — the genus to which Australopithecus boisei was formerly assigned.
- zoopraxiscope — an early type of motion-picture projector, designed by Eadweard Muybridge, in which the images were drawings or photographs placed along the rim of a circular glass plate, the shutter was a rotating opaque disk with radial slots, and a limelight source was used.
- zoosporangium — a sporangium or spore case in which zoospores are produced.
- zygapophyseal — one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.
- zygosporangia — a sporangium that bears a zygospore.