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f

1

abbreviation for

  2. Photography. f-number.
  3. Music. forte 2.

F

2
or f

[ ef ]

noun

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

f.

3

abbreviation for

  1. (in prescriptions) make.

f

4
Symbol.
  2. Mathematics. function (of). See function ( def 4d ).

F

5

abbreviation for

  2. Genetics. filial ( def 3 ).
  3. firm.
  4. franc; francs.

f.

6

abbreviation for

  1. (in prescriptions) let them be made.

F

7
Symbol.
  1. the sixth in order or in a series.
  2. (sometimes lowercase) (in some grading systems) a grade or mark that indicates academic work of the lowest quality; failure.
  3. Music.
    1. the fourth tone in the scale of C major or the sixth tone in the relative minor scale, A minor.
    2. a string, key, or pipe tuned to this tone.
    3. a written or printed note representing this tone.
    4. (in the fixed system of solmization) the fourth tone of the scale of C major, called fa.
    5. the tonality having F as the tonic note.
  4. (sometimes lowercase) the medieval Roman numeral for 40. Compare Roman numerals.
  6. Mathematics.
    2. function (of). See function ( def 4d ).
  7. (sometimes lowercase) Electricity. farad ( def ).
  8. Chemistry. fluorine ( ).
  9. (sometimes lowercase) Physics.
  10. Biochemistry. phenylalanine ( def ).

f.

8

abbreviation for

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

f.

9

abbreviation for

  1. (in the Netherlands) guilder; guilders.

f.

10

abbreviation for

  1. farad.
  2. farthing.
  3. father.
  4. fathom.
  5. feet.
  6. female.
  7. feminine.
  8. filly.
  9. fine.
  10. fluid (ounce).
  11. folio.
  12. following.
  13. foot.
  14. form.
  15. formed of.
  16. franc.
  17. from.
  18. Mathematics. function (of ).

f/

11
or f: or f/

abbreviation for

, Photography.

F-

12

abbreviation for

, Military.
  1. (in designations of aircraft) fighter:

    F-105.

F.

13

abbreviation for

  1. Fahrenheit.
  2. February.
  3. Fellow.
  4. forint.
  5. franc; francs.
  6. France.
  7. French.
  8. Friday.

f

1

symbol for

  1. f-number

F

2

symbol for

  1. music
    1. 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
    2. a key, string, or pipe producing this note
    3. the major or minor key having this note as its tonic
  2. Fahrenheit
  3. Fellow
  4. chem fluorine
  5. Helmholtz function
  6. physics force
  7. franc(s)
  8. farad(s)
  9. genetics a generation of filial offspring, F 1 being the first generation of offspring, F 2 being the second generation, etc

abbreviation for

  1. France (international car registration)

f

3

/ ɛf /

noun

  1. the sixth letter and fourth consonant of the modern English alphabet
  2. a speech sound represented by this letter, usually a voiceless labio-dental fricative, as in fat

f.

4

abbreviation for

  1. fathom(s)
  2. female
  3. grammar feminine
  4. ff.FF. folio
  5. ff. following (page)

F-

5

abbreviation for

  1. fighter

    F-106

f

6

symbol for

  1. music forte: an instruction to play loudly
  2. physics frequency
  3. (formerly in the Netherlands) guilder
  4. maths function (of)
  5. physics femto-
  6. See algebraic notation

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Word History and Origins

Origin of f1

From the Latin word fac

Origin of f2

From the Latin word f īant

Origin of f3

From the Latin word fiat

Origin of f4

From the Dutch word florin

Discover More

Word History and Origins

Origin of f1

(sense 3) from Dutch: florin

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Example Sentences

The program has not made a final selection on which upgrades will actually be included in future versions of the F-35.

That article noted that the F-35 does not currently have the ability to down-link live video to ground troops,.

In fact, according to F-35 program sources, the next software upgrades are not yet fully defined nor are they fully funded.

Therefore, it is not possible for any F-35 schedule to include a video data link  or infrared pointer at this point.

But the last national figure to wield ancient personal authority in an explicitly religious way was Robert F. Kennedy.

E was an Esquire, with pride on his brow; F was a Farmer, and followed the plough.

I follow F. mainly, and note all but very trifling variations from it.

I played up one octave, and then I wished to go on by placing my first finger on F sharp.

The unindustrious pupil imagines that “p” represents 8, and not “f” or “v,” and translates 1845 into “To pour oil” .

The box of the diplomatic corps was just opposite us, and our gay little Mrs. F. sat in it dressed in white satin.

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