I. ˈpē noun
( plural p's or ps ˈpēz)
Usage: often capitalized, often attributive
1.
a. : the 16th letter of the English alphabet
b. : an instance of this letter printed, written, or otherwise represented
c. : a speech counterpart of orthographic p (as p in pill, spill, dip, apt, or French puis )
2. : a printer's type, a stamp, or some other instrument for reproducing the letter p
3. : someone or something arbitrarily or conveniently designated p especially as the 15th or when j is used for the 10th the 16th in order or class
4. : something having the shape of the letter P
II. abbreviation
Usage: often capitalized
1. pacer
2. page
3.
[Latin papa ]
pope
4. parallax
5. park
6. part
7. participle
8.
[Latin partim ]
in part
9. past
10. paste
11. pastor
12.
[Latin pater ]
father
13. patrol
14. pawn
15. pengö
16. penny
17.
[Latin per ]
by
18. perch
19.
[French père ]
father
20. perforation
21. perimeter
22. period
23. perishable
24. peseta
25. peso
26. pharmacopoeia
27.
[Italian]
piano
28. piaster
29. picot
30. pie
31. pint
32. pipe
33. pitch; pitcher
34.
[Latin pius ]
holy
35. planed
36. plate
37. pleasant
38. point
39. polar
40. pole
41. population
42.
[Latin populus ]
people
43. port
44. post
45. postage
46. posterior
47. power
48. predicate
49. present
50. president
51. pressure
52. priest
53. primary
54. prince
55. principal
56.
[Latin pro ]
for
57. proconsul
58. prompter
59. pupil
60. purl
61. pursuit
III. symbol
1. capitalized phosphorus
2. usually capitalized parental; parental generation
3. proton
4.
a. plaintext — used as a subscript
S p means the letter S in plaintext or plain component
b. usually capitalized the numerical value of a plaintext letter when the plain component is serially numbered from 0 to 25
P +K.C is the Vigenère keying method
5. usually capitalized priestly code — used in biblical criticism to designate material and redactions belonging to a priestly commentary
IV. abbreviation
1. capitalized parity
2. pico-
V. symbol
1. momentum of a particle
2. often capitalized the probability of obtaining a result as great as or greater than the observed result in a statistical test if the null hypothesis is true