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F, or f, is the sixth letter of the Latin alphabet and many modern alphabets influenced by it, including the modern English alphabet and the alphabets of all other modern western European languages.

f, letter that corresponds to the sixth letter of the Greek, Etruscan, and Latin alphabets, known to the Greeks as digamma. The sound represented by the letter in Greek was a labial semivowel similar to …

noun plural F's, Fs, f's, fs. the sixth letter of the English alphabet, a consonant. any spoken sound represented by the letter F or f, as in fat, differ, or huff. something having the shape of an F . a …

F, f noun (MUSIC) [ C or U ] a note in Western music: The song is in (the key of) F.

f. is an abbreviation for 'following'. It is written after a page or line number to indicate that you are referring to both the page or line mentioned and the one after it.

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