Real Dictionary

F
F or f is a written abbreviation for words beginning with f, such as 'female', 'feminine', 'franc', ' false', and 'Fahrenheit'.
f. is an abbreviation for 'following'. It is written after a page or line number to indicate that you are referring to both the page or line mentioned and the one after it. You use ff. when you are referring to the page or line mentioned and two or more p
variable noun: F is the sixth letter of the English alphabet.
variable noun: In music, F is the fourth note in the scale of C major.

F in American English
noun: the sixth letter of the English alphabet, a consonant

F in American English 1
a grade indicating failing work
the sixth letter of the English alphabet: a modification of the Old Greek digamma ( F), ultimately from the Phoenician
abbreviation: Fahrenheit
abbreviation: firm

F in American English 2
Fahrenheit
femto-
symbol
symbol: the sixth in order or in a series

F in American English 3
fluorine
loud(ly)

f in British English
abbreviation for: France (international car registration)
noun: the sixth letter and fourth consonant of the modern English alphabet
symbol for: a note having a frequency of 349.23 hertz (F above middle C) or this value multiplied or divided by any power of 2; the fourth note of the scale of C major
symbol for: f-number
symbol for: forte: an instruction to play loudly

F- in American English
prefix: fighter

F- in British English
abbreviation for: fighter

f. in American English
abbreviation: Fahrenheit
abbreviation: make

f. in British English
abbreviation for: fathom(s)

F/ in American English
f-number