15-letter words containing v, a, t, i
- transindividual — a single human being, as distinguished from a group.
- transitive verb — a verb accompanied by a direct object and from which a passive can be formed, as deny, rectify, elect.
- transvaal daisy — a composite plant, Gerbera jamesonii, native to southern Africa, having showy, many-rayed, variously colored flower heads.
- transverse axis — the axis of a hyperbola that passes through the two foci.
- travel sickness — nausea caused by motion
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- travelling wave — a wave carrying energy away from its source
- tricuspid valve — the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.
- trivial pursuit — a board game that is based the ability to answer questions on popular culture and general knowledge
- ultraconvenient — extremely convenient
- unauthoritative — having due authority; having the sanction or weight of authority: an authoritative opinion.
- 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
- undemonstrative — not given to open exhibition or expression of emotion, especially of affection.
- uninformatively — in an uninformative manner
- universal joint — piece that couples two rotating shafts
- universal motor — a series-wound motor, of one-half horsepower or less, using alternating or direct current.
- universal stage — a small theodolite mounted on the stage of a polarizing microscope and used in the petrographic analysis of rocks.
- university park — a city in N Texas.
- unparticipative — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.
- unrevolutionary — not revolutionary, progressive, or radical
- unverifiability — the quality or state of being unverifiable
- vacation course — a course of study undertaken during a vacation, usually combined with other activities
- vacuum activity — instinctive behaviour occurring in the absence of the appropriate stimulus
- valentine's day — February 14, observed in honor of St. Valentine as a day for the exchange of valentines and other tokens of affection.
- valentinian iii — a.d. 419?–455, emperor of the Western Roman Empire 425–455.
- vanishing point — a point of disappearance, cessation, or extinction: His patience had reached the vanishing point.
- variant reading — an alternative interpretation of a word in a text to the one generally accepted
- varicocelectomy — the surgical removal or ligation of varicose veins in the scrotal sac.
- vascular tissue — plant tissue consisting of ducts or vessels, that, in the higher plants, forms the system (vascular system) by which sap is conveyed through the plant.
- 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.
- vatican swindle — Lafcadio's Adventures.
- 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.
- vegetable ivory — ivory (def 9).
- vegetable knife — a knife designed to cut up vegetables
- vegetative coma — a condition in which an injured person is alive but comatose, and does not respond to stimuli
- venetian dentil — (on an archivolt or molding) one of a series of small rectangular blocks having chamfers at alternate edges.
- 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.
- venetian window — Palladian window.
- venture capital — funds invested or available for investment in a new or unproven business enterprise.
- venus hairstone — a variety of rutilated quartz, used as a gemstone.
- vermouth cassis — a mixed drink made with dry vermouth, crème de cassis, soda or mineral water, and cracked ice.
- vertical angles — one of two opposite and equal angles formed by the intersection of two lines.
- vertical circle — a great circle on the celestial sphere passing through the zenith.
- vestimentiferan — any of various marine tubeworms of the phylum Vestimentifera or Pogonophora, which live in upright tubes near hydrothermal vents.
- 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.