17-letter words containing a, c, o, u, s
- technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
- tertiary consumer — a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
- the carboniferous — the Carboniferous period or rock system
- the south pacific — the part of the Pacific Ocean to the south of the equator
- thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
- thousandths-place — last in order of a series of a thousand.
- thread escutcheon — a raised metal rim around a keyhole.
- three-course meal — A three-course meal is a meal that consists of three parts served one after the other.
- to show your face — If you show your face somewhere, you go there and see people, although you are not welcome, are rather unwilling to go, or have not been there for some time.
- transfer function — The transfer function of a circuit is the ratio of the response to the input.
- 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.
- ts'ao hsueh-ch'in — (Ts'ao Chan) c1717–63, Chinese novelist: author of The Dream of the Red Chamber.
- turbosupercharger — (formerly) a turbocharger.
- ultraconservative — extremely conservative, especially in politics.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- uncle tom's cabin — an antislavery novel (1852) by Harriet Beecher Stowe.
- uncomfortableness — causing discomfort or distress; painful; irritating.
- uncompassionately — having or showing compassion: a compassionate person; a compassionate letter.
- unconventionalist — not conventional; not bound by or conforming to convention, rule, or precedent; free from conventionality: an unconventional artist; an unconventional use of material.
- uncooperativeness — working or acting together willingly for a common purpose or benefit.
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- unofficial strike — a strike that is not approved by the strikers' trade union
- utopian socialism — (sometimes initial capital letter) an economic system based on the premise that if capital voluntarily surrendered its ownership of the means of production to the state or the workers, unemployment and poverty would be abolished.
- vacuum aspiration — menstrual extraction.
- warehouse receipt — a receipt for goods placed in a warehouse.
- warehousing costs — the costs involved in storing goods in a warehouse
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.
- year of confusion — (in ancient Rome) the year of 445 days preceding the introduction, in 46 b.c., of the Julian calendar: lengthened to compensate for the cumulative errors of the Roman calendar.