16-letter words containing o, c, t, a, l, n
- trichotillomania — a compulsion to pull out one's hair.
- tropical cyclone — a cyclone that originates over a tropical ocean area and can develop into the destructive storm known in the U.S. as a hurricane, in the western Pacific region as a typhoon, and elsewhere by other names. Compare extratropical cyclone, hurricane (def 1), willy-willy.
- unapologetically — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- 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.
- uncountable noun — An uncountable noun is the same as an uncount noun.
- uncountable-noun — a noun, as water, electricity, or happiness, that typically refers to an indefinitely divisible substance or an abstract notion, and that in English cannot be used, in such a sense, with the indefinite article or in the plural.
- unenforceability — to put or keep in force; compel obedience to: to enforce a rule; Traffic laws will be strictly enforced.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- valence electron — an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom.
- valency electron — an electron in the outer shell of an atom, responsible for forming chemical bonds
- velcro fastening — a fastening made of Velcro
- 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 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
- well-compensated — to recompense for something: They gave him ten dollars to compensate him for his trouble.
- whole-tone scale — a scale progressing entirely by whole tones, as C, D, E, F♯, G♯, A♯, C.
- 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
- 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.