15-letter words containing v, i, d
- visayan islands — a group of seven large and several hundred small islands in the central Philippines. Chief islands: Negros and Panay. Pop: 15 528 346 (2000). Area: about 61 000 sq km (23 535 sq miles)
- viscosity index — an arbitrary scale for lubricating oils that indicates the extent of variation in viscosity with variation of temperature.
- voice-activated — (of a telephone answering machine or other device) operationally responsive to a human voice.
- volcano islands — a group of three volcanic islands in the W Pacific, about 1100 km (700 miles) south of Japan: the largest is Iwo Jima, taken by US forces in 1945 and returned to Japan in 1968. Area: about 28 sq km (11 sq miles)
- volta river dam — a hydroelectric dam on the Volta river
- voltage divider — a resistor or series of resistors connected to a voltage source and used to provide voltages that are fractions of that of the source.
- volume discount — a reduced price for goods given by a seller on the basis that the buyer buys a large quantity
- voronoi diagram — (mathematics, graphics) (Or "Voronoi tessellation", "Voronoi decomposition", "Dirichlet tessellation", After Georgy Feodosevich Voronoy) For a set S of points in a Euclidean space, the partition Vor(S) of the plane into the voronoi polygons associated with the members of S, where each polygon is defined by the set of points nearer to some given point in S than to any other point in S. The Voronoi diagram is the dual of the Delaunay triangulation of S.
- vortex shedding — the process by which vortices formed continuously by the aerodynamic conditions associated with a solid body in a gas or air stream are carried downstream by the flow in the form of a vortex street
- vreni schneider — Vreni [vren-ee] /ˈvrɛn i/ (Show IPA), born 1964, Swiss Alpine ski racer.
- well-advertised — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- well-cultivated — prepared and used for raising crops; tilled: cultivated land.
- well-ventilated — to provide (a room, mine, etc.) with fresh air in place of air that has been used or contaminated.
- window envelope — an envelope with a transparent opening through which the address on the enclosure may be read.