13-letter words containing u, n, v, a
- unvitrifiable — not able to be vitrified
- unvoluntarily — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- upland plover — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.
- vacuolization — the state of being full of vacuoles
- vacuum drying — the removal of liquid from a solution or mixture at reduced air pressure so that it dries at a lower temperature than would be required at full pressure.
- vanilla sugar — sugar which has been infused with vanilla
- vannevar bush — (person) Dr. Vannevar Bush, 1890-1974. The man who invented hypertext, which he called memex, in the 1930s. Bush did his undergraduate work at Tufts College, where he later taught. His masters thesis (1913) included the invention of the Profile Tracer, used in surveying work to measure distances over uneven ground. In 1919, he joined MIT's Department of Electrical Engineering, where he stayed for twenty-five years. In 1932, he was appointed vice-president and dean. At this time, Bush worked on optical and photocomposition devices, as well as a machine for rapid selection from banks of microfilm. Further positions followed: president of the Carnegie Institute in Washington, DC (1939); chair of National Advisory Committee for Aeronautics (1939); director of Office of Scientific Research and Development. This last role was as presidential science advisor, which made him personally responsible for the 6,000 scientists involved in the war effort. During World War II, Bush worked on radar antenna profiles and the calculation of artillery firing tables. He proposed the development of an analogue computer, which later became the Rockefeller Differential Analyser. Bush is the pivotal figure in hypertext research. His ground-breaking 1945 paper, "As We May Think," speculated on how a machine might be created to assist human reasoning, and introduced the idea of an easily accessible, individually configurable storehouse of knowledge. This machine, which he dubbed "memex," in various ways anticipated hypermedia and the World Wide Web by nearly half a century.
- vapourishness — the quality or state of being vapourish
- vasa murrhina — an American art glass, consisting of colored glass dusted with flakes or grains of metal and flashed with clear glass.
- vasostimulant — stimulating the action of the vasomotor nerves.
- vaunt-courier — a person who goes in advance, as a herald.
- venetian blue — a strong blue similar to cobalt blue.
- ventriloquial — of, relating to, or using ventriloquism.
- venus flytrap — firewall machine
- veraciousness — characterized by truthfulness; true, accurate, or honest in content: a veracious statement; a veracious account.
- vermiculation — to work or ornament with wavy lines or markings resembling the form or tracks of a worm.
- vernacularism — a vernacular word or expression.
- vernacularist — someone who uses vernacular speech
- vernacularity — the quality or state of being vernacular
- vernacularize — to translate into the natural speech peculiar to a people.
- vicariousness — performed, exercised, received, or suffered in place of another: vicarious punishment.
- virtual human — a computer-generated moving image of a human being, used esp in films as an extra in large crowd scenes
- visual binary — a binary star having components that are sufficiently separated to be resolved by a telescope.
- visualization — to recall or form mental images or pictures.
- vivaciousness — lively; animated; spirited: a vivacious folk dance.
- volcanic tuff — tuff2 .
- volsunga saga — an Icelandic saga of the late 13th century, concerning the family of the Volsungs, the theft of the cursed treasure of Andvari, the adventures of Sigurd, his wooing of Brynhild, his enchantment and marriage to Gudrun, and his eventual murder.
- voluntariness — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- voluntaristic — Philosophy. any theory that regards will as the fundamental agency or principle, in metaphysics, epistemology, or psychology.
- vulcanization — to treat (rubber) with sulfur and heat, thereby imparting strength, greater elasticity, durability, etc.
- vulgarization — to make vulgar or coarse; lower; debase: to vulgarize standards of behavior.
- vulnerability — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
- wave equation — Mathematics, Physics. any differential equation that describes the propagation of waves or other disturbances in a medium.
- wave function — a solution of a wave equation.