13-letter words containing a, o, r, i, s, t
- trucial coast — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- ultracautious — extremely or excessively cautious
- ultraroyalist — a supporter or adherent of a king or royal government, especially in times of rebellion or civil war.
- unconstrained — forced, compelled, or obliged: a constrained confession.
- uncustomarily — according to or depending on custom; usual; habitual.
- vapor tension — vapor pressure.
- variable cost — a cost that varies with a change in the volume of output while remaining uniform on a per-unit basis, as cost of labor (distinguished from fixed cost).
- variety store — a retail store, as a five-and-ten, carrying a large variety of goods, especially low-priced articles.
- vasoinhibitor — an agent, as a drug, that inhibits the action of the vasomotor nerves.
- versification — the act of versifying.
- visitor's tax — a tax that visitors to a place must pay
- visual cortex — the portion of the cerebral cortex of the brain that receives and processes impulses from the optic nerves.
- voluntariness — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- voluntaristic — Philosophy. any theory that regards will as the fundamental agency or principle, in metaphysics, epistemology, or psychology.
- walter piston — Walter, 1894–1976, U.S. composer.
- water soldier — an aquatic plant, Stratiotes aloides, of Europe and NW Asia, having rosettes of large leaves and large three-petalled white flowers: family Hydrocharitaceae
- water-soaking — to soak or saturate with water.
- watercolorist — a pigment for which water and not oil is used as the vehicle.
- 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.
- whitlow grass — any of various plants of the genera Draba and Erophila, once thought to cure whitlows: family Brassicaceae (crucifers)
- winter savory — See under savory2 .
- winterisation — Non-Oxford British standard spelling of winterization.
- within reason — a basis or cause, as for some belief, action, fact, event, etc.: the reason for declaring war.
- without tears — presented so as to be easily assimilated
- wordsworthian — William, 1770–1850, English poet: poet laureate 1843–50.
- working asset — invested capital that is comparatively liquid.
- xanthochroism — a condition in certain animals, esp aquarium goldfish, in which all skin pigments other than yellow and orange disappear
- xiphiplastron — the fourth lateral plate of a turtle's plastron
- zinjanthropus — the genus to which Australopithecus boisei was formerly assigned.