17-letter words containing a, r, c, t, o
- unofficial strike — a strike that is not approved by the strikers' trade union
- upper paleolithic — See under Paleolithic.
- vacuum aspiration — menstrual extraction.
- vacuum extraction — applying suction to a baby's head during birth to help it emerge
- valence electrons — an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom.
- vernacularization — to translate into the natural speech peculiar to a people.
- vertical mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- victor emmanuel i — 1759–1824, king of Sardinia 1802–21.
- victoriano huerta — Victoriano [beek-taw-ryah-naw] /ˌbik tɔˈryɑ nɔ/ (Show IPA), 1854–1916, Mexican general: provisional president of Mexico 1913–14.
- vittore carpaccio — Vittore [veet-taw-re] /vitˈtɔ rɛ/ (Show IPA), c1450–1525, Venetian painter.
- voidable contract — a contract or agreement that is capable of being made of no legal effect or made void
- war correspondent — a reporter or commentator assigned to send news or opinions directly from battle areas.
- warehouse receipt — a receipt for goods placed in a warehouse.
- warehousing costs — the costs involved in storing goods in a warehouse
- warsaw convention — a multilateral treaty on aviation set up chiefly to limit air carriers' liability to passengers and shippers on international flights in the event of an accident.
- wave-cut platform — a flat surface at the base of a cliff formed by erosion by waves
- weapons inspector — a person who inspects a country's weapons
- wearable computer — a small computer that is worn or carried on the body; a wearable computing device: a wrist-worn wearable computer with a head-mounted display.
- willow flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)
- wind chill factor — A wind chill factor is a measure of the cooling effect of the wind on the temperature of the air.
- wind-chill factor — the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.
- x-ray diffraction — diffraction of x-rays by the regularly spaced atoms of a crystal, useful for determining the arrangement of the atoms.
- 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.
- your day in court — Your day in court is your chance to give your side of an argument or other matter.
- zygomatic process — any of several bony processes that articulate with the cheekbone.