F

Force

F

1. (as a medieval Roman numeral) 40
2. Farad (SI unit)
3. Filial generation, thus F₁first or F₂second filial generation (genetics)
4. Fluorine (chem)

F

1. Fahrenheit
2. Faraday
3. Fellow (of a society, etc)
4. Fighter plane (as in F-15, F-16, F-111, etc) (US)
5. Fine (on lead pencils)
6. Franc or francs
7. France (IVR)

f-bomb (US sl)

An instance of using the word `fuck'

the F-word (euphemistic)

Fuck

F or f /ef/

1. The sixth letter in the modern English alphabet as in the Roman (ff in medieval script was used instead of a capital F), derived from the Greek digamma (Ϝ, ϝ), its sound a voiceless labiodental fricative formed by bringing the lower lip into contact with the upper teeth
2. The fourth note of the diatonic scale of C major (music)
3. The key or scale having that note for its tonic (music)
4. In hexadecimal notation, 15 (decimal) or 1111 (binary)
5. Anything shaped like the letter F

F clef noun (music)

The bass clef

fˈ-hole noun

Either of a pair of holes in the belly of a violin, etc, shaped like an italic f

Fˈ-layer noun

The highest layer of the ionosphere, in which radio signals are transmitted

fˈ-number noun (photography)

The ratio of the focal length to the true diameter of a lens

fˈ-stop noun (photography)

A setting on a camera to show the f-number currently in use

the three F's (historical)

Free sale, fixity of tenure, fair rent (objectives of Irish land reformers in the late 19c)

F̄

(medieval Roman numeral) 40000

f

Frequency

f or f.

1. Farthing
2. Fathom or fathoms
3. Female
4. Feminine
5. Femto-
6. Folio
7. Following
8. Foot
9. Forte (music)
10. Furlong(s)

• in the same breath
• in the same canoe
• in the scud
• in the seventh heaven
• in the shade
• in the shape of
• in the shit
• in the short run
• in the slightest
• in the smallest
• in the soup
• in the swim
• in the teeth of
• in the teeth of the wind
• in the thick of
• in the throes
• in the top flight
• in the twinkle of an eye
• in the twinkling of an eye
• in the wake of
• in the way of
• in the wind
• in the wind's eye
• in the wings
• in the world