16-letter words containing t, a, o, u
- upper atmosphere — the portion of the atmosphere above the troposphere.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- uranium trioxide — a radioactive orange powder, UO 3 , used in the manufacture of some ceramics.
- utility software — system software that manages and optimizes the performance of hardware
- utilization rate — The utilization rate is the percentage of the total equipment or refinery which is involved in producing something.
- vapor combustion — Vapor combustion is a closed burn system used for treating liquid waste which contains volatile organic compounds.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- vertebral column — spinal column.
- victorian values — qualities considered to characterize the Victorian period, including enterprise and initiative and the importance of the family
- vitruvian scroll — a scroll forming a stylized wave pattern.
- vocabulary entry — (in dictionaries) a word, phrase, abbreviation, symbol, affix, name, etc., listed with its definition or explanation in alphabetical order or listed for identification after the word from which it is derived or to which it is related.
- voluntary helper — a person who aids or assists in a specified function of one's own accord and without compulsion or promise of remuneration
- voluntary muscle — muscle whose action is normally controlled by an individual's will; mainly skeletal muscle, composed of parallel bundles of striated, multinucleate fibers.
- voluntary school — a school that promotes specific religious beliefs and which is funded by a local education authority but was not established by the authority
- voluntary sector — the part of the economy that consists of non-profit-making organizations, as opposed to the public and private sectors
- voluntary worker — a person who serves or acts in a specified function of their own accord and without compulsion or promise of remuneration
- volunteer bureau — an agency that matches up people wishing to do voluntary work with appropriate voluntary organizations
- walrus moustache — a long thick moustache drooping at the ends
- what do you know — People sometimes say 'What do you know!' when they are very surprised about something.
- without a murmur — If someone does something without a murmur, they do it without complaining.
- woman about town — a socially active, sophisticated woman who frequents fashionable nightclubs, theaters, restaurants, etc.
- woodland culture — a long pre-Columbian tradition characterized by the corded pottery of a hunting and later agricultural people of the eastern U.S. noted for the construction of burial mounds and other structures and dating from c1000 b.c. to a.d. 1700.
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty
- write home about — a house, apartment, or other shelter that is the usual residence of a person, family, or household.
- wrongful trading — the act of allowing a company to continue trading when its insolvency is inevitable
- yellowfin (tuna) — a tuna (Thunnus albacares) with yellow fins and a yellow stripe on each side, important as a game and food fish and found worldwide in warm seas
- your better half — If you talk about your better half or your other half you mean your wife, your husband, or the person of the opposite sex that you live with.
- zagros mountains — a mountain range in S Iran: has Iran's main oilfields in its W central foothills. Highest peak: Zard Kuh, 4548 m (14 920 ft)