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f

1
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abbreviation
Photography. f-number.
Music. forte2.
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Words nearby f

Other definitions for f (2 of 13)

f2

Symbol, Optics. focal length.

Other definitions for f (3 of 13)

F1

or f

[ ef ]
/ ɛf /

noun, plural F's or Fs, f's or fs.
the sixth letter of the English alphabet, a consonant.
any spoken sound represented by the letter F or f, as in fat, differ, or huff.
something having the shape of an F.
a written or printed representation of the letter F or f.
a device, as a printer's type, for reproducing the letter F or f.

Other definitions for f (4 of 13)

F2

abbreviation

Other definitions for f (5 of 13)

F3

Symbol.

Other definitions for f (6 of 13)

F-

abbreviation Military.
(in designations of aircraft) fighter: F-105.

Other definitions for f (7 of 13)

f/

or f/ or f:


abbreviation Photography.

Other definitions for f (8 of 13)

f.1

abbreviation
(in prescriptions) make.

Origin of f.

1
From the Latin word fac

Other definitions for f (9 of 13)

f.2

abbreviation
(in prescriptions) let them be made.

Origin of f.

2
From the Latin word fīant

Other definitions for f (10 of 13)

f.3

abbreviation
(in prescriptions) let it be made; let there be made.

Origin of f.

3
From the Latin word fiat

Other definitions for f (11 of 13)

f.4

abbreviation
(in the Netherlands) guilder; guilders.

Origin of f.

4
From the Dutch word florin

Other definitions for f (12 of 13)

f.5

abbreviation

Other definitions for f (13 of 13)

F.

abbreviation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use f in a sentence

British Dictionary definitions for f (1 of 6)

f

F

/ (ɛf) /

noun plural f's, F's or Fs
the sixth letter and fourth consonant of the modern English alphabet
a speech sound represented by this letter, usually a voiceless labio-dental fricative, as in fat

British Dictionary definitions for f (2 of 6)

f

symbol for
music forte: an instruction to play loudly
physics frequency
(formerly in the Netherlands) guilder
maths function (of)
physics femto-

Word Origin for f

(sense 3) from Dutch: florin

British Dictionary definitions for f (3 of 6)

f

f/ or f:


symbol for
f-number

British Dictionary definitions for f (4 of 6)

F

symbol for
abbreviation for
France (international car registration)

British Dictionary definitions for f (5 of 6)

F-

abbreviation for
fighterF-106

British Dictionary definitions for f (6 of 6)

f.

F.


abbreviation for
fathom(s)
female
grammar feminine
plural ff. or FF. folio
plural ff. following (page)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for f (1 of 2)

F 22

abbr.
Fahrenheit

Medical definitions for f (2 of 2)

F 11

The symbol for the elementfluorine
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for f

F

Abbreviation of Fahrenheit
The symbol for farad.
The symbol for fluorine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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