17-letter words containing a, r, t, h, o, c
- travancore-cochin — a former Indian state that was a merger of Travancore and Cochin, two former princely states of India, and which became part of Kerala state in 1956
- trick photography — photography that creates an illusion
- trucial sheikdoms — 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.
- turbosupercharger — (formerly) a turbocharger.
- turn on the charm — If someone turns on the charm, they behave in a way that seems very friendly but which you think is insincere, often in order to obtain something or deceive someone.
- upper paleolithic — See under Paleolithic.
- victoriano huerta — Victoriano [beek-taw-ryah-naw] /ˌbik tɔˈryɑ nɔ/ (Show IPA), 1854–1916, Mexican general: provisional president of Mexico 1913–14.
- warehouse receipt — a receipt for goods placed in a warehouse.
- warehousing costs — the costs involved in storing goods in a warehouse
- 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.