F
F, sixth letter in the English alphabet. It occupies the same place in the Latin alphabet and in the early Greek alphabet, although it is omitted in the classical Greek alphabet. F is derived from the Phoenician vav or waw, which was the symbol for a hook or peg. In Latin, the ν sound was represented by u and thus f acquired its present sound. In musical terminology, it represents fa in the scale of C. It is also the sign for Fahrenheit in measurement of temperature.
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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Erasistratus to Federalism