15-letter words containing a, c, t, i, v, o
- subvocalization — the act or process of producing subvocal speech
- tactical voting — Tactical voting is the act of voting for a particular person or political party in order to prevent someone else from winning, rather than because you support that person or party.
- tank locomotive — a steam locomotive carrying its own fuel and water without the use of a tender.
- ticket of leave — (formerly) a permit allowing a convict to leave prison, under certain restrictions, and go to work before having served a full term, somewhat similar to a certificate of parole.
- tractive effort — the force exerted by a locomotive or other powered vehicle on its driving wheels.
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- ultraconvenient — extremely convenient
- uncommunicative — not inclined to talk or disclose information; reserved; taciturn.
- uncontroversial — of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical: a controversial book.
- uncooperatively — in an uncooperative or unhelpful manner
- vacation course — a course of study undertaken during a vacation, usually combined with other activities
- varicocelectomy — the surgical removal or ligation of varicose veins in the scrotal sac.
- vascularization — (of a tissue or embryo) to develop or extend blood vessels or other fluid-bearing vessels or ducts; become vascular.
- vasoconstrictor — a nerve or drug that causes vasoconstriction.
- vatican council — the ecumenical council, convoked in Rome, 1869–70, by Pope Pius IX, that declared the dogma of papal infallibility.
- vector addition — the process of finding one vector that is equivalent to the result of the successive application of two or more given vectors.
- vector analysis — the branch of calculus that deals with vectors and processes involving vectors.
- vegetative coma — a condition in which an injured person is alive but comatose, and does not respond to stimuli
- venetian school — any of various groups of artists identified with Venice throughout the history of Italian art but most notably the painters of the 18th century, as Giovanni Battista Tiepolo, Francesco Guardi, and Antonio Canaletto.
- vermouth cassis — a mixed drink made with dry vermouth, crème de cassis, soda or mineral water, and cracked ice.
- vicar apostolic — Roman Catholic Church. a titular bishop serving either in a district where no episcopal see has been established, or in one where the succession of bishops has been interrupted.
- vicar of christ — the pope, with reference to his claim to stand in the place of Jesus Christ and possess His authority in the church.
- victor emmanuel — 1869–1947, king of Italy 1900–46.
- victoria island — an island off the coast of N Canada, in the Arctic Ocean. 80,340 sq. mi. (208,081 sq. km).
- victoria nyanza — Victoria (def 10).
- violinistically — in a violinistic manner
- viral infection — disease caused by a virus
- virginian stock — a similar and related North American plant, Malcolmia maritima
- vitreous silica — silica glass
- voice-activated — (of a telephone answering machine or other device) operationally responsive to a human voice.
- voltaic battery — battery (def 1a).
- voyeuristically — of, relating to, or characteristic of a voyeur or of voyeurism.
- vulgar fraction — common fraction.