f — ONAD · Shobdo

f /ef, ɛf

▸ abbreviation

1 farad.

2 farthing.

3 father.

4 fathom.

5 feet.

6 Grammar feminine.

7 female.

8 [in combination] (in units of measurement) femto- (10-15).

9 filly.

10 fine.

11 (in textual references) folio.

12 foot.

13 form.

14 Music forte.

15 (in racing results) furlong(s).

16 franc.

17 from.

18 Chemistry denoting electrons and orbitals possessing three units of angular momentum:

f-orbitals.

[f from fundamental, originally applied to lines in atomic spectra.]

▸ symbol

1 focal length:

apertures of f/5.6 to f/11.