16-letter words containing t, o, u, a, i
- unapologetically — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- uncoincidentally — happening by or resulting from coincidence; by chance: a coincidental meeting.
- uncollateralized — lacking or needing no collateral: uncollateralized loans.
- unconfirmability — to establish the truth, accuracy, validity, or genuineness of; corroborate; verify: This report confirms my suspicions.
- unconstitutional — not constitutional; unauthorized by or inconsistent with the constitution, as of a country.
- uncontradictable — to assert the contrary or opposite of; deny directly and categorically.
- unconventionally — not conventional; not bound by or conforming to convention, rule, or precedent; free from conventionality: an unconventional artist; an unconventional use of material.
- unconversational — of, relating to, or characteristic of conversation: a conversational tone of voice.
- undenominational — free from religious sects or denominationalism; not limited or belonging to any particular religious group or groups.
- under-modulation — to reproduce (a sound or signal) at below the optimal output level in a recording or broadcasting system, causing it to be distorted.
- underutilization — to fail to utilize fully: to underutilize natural resources.
- undiscriminatory — characterized by or showing prejudicial treatment, especially as an indication of bias related to age, color, national origin, religion, sex, etc.: discriminatory practices in housing; a discriminatory tax.
- unenforceability — to put or keep in force; compel obedience to: to enforce a rule; Traffic laws will be strictly enforced.
- universalization — to make universal.
- unknown quantity — mathematics: amount not known
- unmarried mother — a woman who has a baby while she is not married
- unostentatiously — (of a person) in a manner that is not trying to impress people with one's wealth or importance
- unproportionally — having due proportion; corresponding.
- 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
- 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.
- without a murmur — If someone does something without a murmur, they do it without complaining.
- 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
- 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)