1. Fahrenheit.
2. female.
3. Genetics. filial.
4. firm.
5. franc; francs.
6. French.
Symbol.
1. the sixth in order or in a series.
2. ( sometimes l.c. ) (in some grading systems) a grade or mark that indicates academic work of the lowest quality; failure.
3. Music.
a. the fourth tone in the scale of C major or the sixth tone in the relative minor scale, A minor.
b. a string, key, or pipe tuned to this tone.
c. a written or printed note representing this tone.
d. (in the fixed system of solmization) the fourth tone of the scale of C major, called fa.
e. the tonality having F as the tonic note.
4. ( sometimes l.c. ) the medieval Roman numeral for 40. Cf. Roman numerals .
5. Math
a. field.
b. function (of).
6. ( sometimes l.c. ) Elect. farad.
7. Chem. fluorine.
8. ( sometimes l.c. ) Physics.
a. force.
b. frequency.
c. fermi.
9. Biochem. phenylalanine.