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visor the protective brim projecting from the front of a cap or other headgear. [4 definitions]
visorless combined form of visor.
VISTA abbreviation of "Volunteers in Service to America."
vista a view or scene, esp. as beheld through a framelike opening, as between buildings or borders of trees. [2 definitions]
visual pertaining to sight or seeing. [5 definitions]
visual aids instructional materials, such as films, slides, and models, that involve chiefly the sense of sight and are used in teaching, lecturing, or the like.
visual binary a binary star composed of two parts that can be seen through an ordinary telescope, or, though rarely, by the naked eye.
visualize to create a mental picture or image. [2 definitions]
visually in a manner pertaining to sight or visual images. [2 definitions]
vita a brief summary of one's career and accomplishments. (See curriculum vitae.)
vital pertaining to or characteristic of life. [5 definitions]
vitalism the doctrine that a vital force radically different from all physical and chemical phenomena causes and sustains life.
vitality exuberance; energy; vigor. [2 definitions]
vitalize to make vital; to bestow life on. [2 definitions]
vital signs the signs that indicate the health of the body such as pulse, temperature, and rate of respiration.
vital statistics statistics or data having to do with births, deaths, marriages, and other crucial events in human life.
vitamin any of a number of natural or synthetic substances required in human nutrition to regulate metabolism and maintain health.
vitamin A either of two, or a mixture of two, hydrocarbon compounds found in fruits, vegetables, and dairy products, required in human nutrition for producing the vision pigments of the eye and for maintaining the membranes of the body.
vitamin b See vitamin B complex. [2 definitions]
vitamin b1 thiamine.
vitamin b12 a compound found in meat, milk, eggs, and other animal products, required in human nutrition for producing red blood cells and maintaining nerves and muscles; cobalamin.