16-letter words containing i, r, a, t, o, n
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- 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.
- uncontradictable — to assert the contrary or opposite of; deny directly and categorically.
- unconversational — of, relating to, or characteristic of conversation: a conversational tone of voice.
- 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.
- unmarried mother — a woman who has a baby while she is not married
- 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.
- 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.
- vasoconstriction — constriction of the blood vessels, as by the action of a nerve.
- vasoconstrictive — causing vasoconstriction.
- velcro fastening — a fastening made of Velcro
- 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
- virginia tobacco — a type of flue-cured tobacco grown originally in Virginia
- vitruvian scroll — a scroll forming a stylized wave pattern.
- warminster broom — a European shrub, Cytisus praecox, of the legume family, having yellowish-white or yellow, pealike flowers.
- washington thorn — a dense tree, Crataegus phaenopyrum, of the rose family, native to the eastern coast of the U.S., having triangular leaves, small clusters of white flowers, and clusters of bright red fruit.
- weak interaction — the interaction between elementary particles and the intermediate vector bosons that carry the weak force from one particle to another.
- white propaganda — propaganda that comes from the source it claims to come from
- willow ptarmigan — a ptarmigan, Lagopus lagopus, of arctic and subarctic regions of the New and Old Worlds, having brown, mottled plumage in summer and white plumage in winter.
- windchill factor — an estimated measurement of the cooling effect of air and wind, esp. when applied to the loss of body heat from exposed skin; chill factor
- windfall profits — Windfall profits are excessive profits with a non-business cause such as a natural disaster.
- withdrawing room — a room to withdraw or retire to; drawing room.
- word association — stimulation of an associative pattern by a word.
- 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
- wrongful trading — the act of allowing a company to continue trading when its insolvency is inevitable
- xaverian brother — a member of a congregation of Roman Catholic laymen bound by simple vows and dedicated to education.
- 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)