V


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V,

22d letter of the alphabetalphabet
[Gr. alpha-beta, like Eng. ABC], system of writing, theoretically having a one-for-one relation between character (or letter) and phoneme (see phonetics). Few alphabets have achieved the ideal exactness.
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 (see UU,
21st letter of the alphabet, corresponding to the Greek upsilon [Gr.,=u without the aspirate]. Until the late Middle Ages the capital was V, the minuscule u, no distinction being made between the consonantal and vocalic uses of the letter.
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). It is a usual symbol for a voiced labiodental spirant, as in the English vat. In Roman numerals it corresponds to Arabic 5. In chemistry V is the symbol of the element vanadiumvanadium
, metallic chemical element; symbol V; at. no. 23; at. wt. 50.9415; m.p. about 1,890°C;; b.p. 3,380°C;; sp. gr. about 6 at 20°C;; valence +2, +3, +4, or +5. Vanadium is a soft, ductile, silver-grey metal.
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.

V

(electricity)
(chemistry)
(electricity)

V

1. Abbr. for volt.
2. On drawings, abbr. for valve.
3. On drawings, abbr. for “vacuum.”

V

A general acronym for velocity, which includes TAS (true air speed), EAS (equivalent air speed), and ASIR (air-speed indicator reading).

V

Upper case V, ASCII character 86, known in INTERCAL as book.

1. A testbed for distributed system research.

2. Wide-spectrum language used in the knowledge-based environment CHI. "Research on Knowledge-Based Software Environments at Kestrel Inst", D.R. Smith et al, IEEE Trans Soft Eng SE-11(11):1278-1295 (1985).