I. ˈef noun
( plural f's or fs ˈefs)
Usage: often capitalized, often attributive
1.
a. : the sixth letter of the English alphabet
b. : an instance of this letter printed, written, or otherwise represented
c. : a speech counterpart of orthographic f (as f in fife, wafer, or Spanish fuero )
2.
a. : the keynote of F major or F minor
b. : the tone F
3. : a printer's type, a stamp, or some other instrument for reproducing the letter f
4. : someone or something arbitrarily or conveniently designated f especially as the sixth in order or class
5.
a. : a grade assigned by a teacher or examiner rating a student's work as so inferior as to be failing
no student with more than one F in a major subject may be advanced to a higher grade without a special examination
b. : one graded or rated with an F
an F student in history
6. : something having the shape of the letter F
II. abbreviation
Usage: often capitalized
1.
[Latin fac ]
make
2. Fahrenheit
3. failure
4. fair
5. family
6. farad
7. farthing
8. father
9. fathom
10. fawn
11. feast
12.
[Latin fecit ]
he made
13. fellow
14. female
15. feminine
16.
[Latin fiat ]
let it be done; let it be made
17. fiction
18. field
19. fighter
20.
[Latin filius ]
son
21. filly
22. finance; financial
23. fine
24. finish
25. fire
26. firm
27. fixed
28. flat
29. fleet
30. florin
31. flower
32. fluid
33. fluid ounce
34. fog
35. folio
36. following
37. foot
38. for
39. force
40. forma
41. formed
42. formula
43. forte
44. forward
45. foul
46. fragile
47. fragmentation
48. franc
49.
[Latin frater ]
brother
50. French
51. frequency
52. friar
53. from
54. fuel
55. full
56. function
57. furlong
III. symbol
1. capitalized Faraday
2. capitalized luminous flux
3. capitalized filial; filial generation
4. capitalized fluorine
5. focal length
6. capitalized folio
7. the relative aperture of a photographic lens — often written f/ or f:
IV. abbreviation
femto- herein