fs'

The sixth letter of the modern English alphabet.

Any of the speech sounds represented by the letter f.

The sixth in a series.

Something shaped like the letter F.

F A grade that indicates failing status.

Music

1. The fourth tone in the scale of C major or the sixth tone in the relative minor scale.

2. A key or scale in which F is the tonic.

3. A written or printed note representing this tone.

4. A string, key, or pipe tuned to the pitch of this tone.

Abbreviation of Fahrenheit

The symbol for farad.

The symbol for fluorine.