F :: F () F is the sixth letter of the English alphabet, and a nonvocal consonant. Its form and sound are from the Latin. The Latin borrowed the form from the Greek digamma /, which probably had the value of English w consonant. The form and value of Greek letter came from the Phoenician, the ultimate source being probably Egyptian. Etymologically f is most closely related to p, k, v, and b; as in E. five, Gr. pe`nte; E. wolf, L. lupus, Gr. ly`kos; E. fox, vixen ; fragile, break; fruit, brook, v. t.;
F :: F (v. t.) The name of the fourth tone of the model scale, or scale of C. F sharp (F /) is a tone intermediate between F and G..
Fa :: Fa (n.) A syllable applied to the fourth tone of the diatonic scale in solmization.