P

UK: 'P', 'p': /ˈpiː/ US: 'P', 'p': /pi/ ,'P', 'p': (pē)

Collins Concise English Dictionary © HarperCollins Publishers::

P symbol

1. phosphorus
2. pressure
3. power
4. parity
5. poise
6. (on road signs) parking
7. pawn
8. (the former) peseta
9. peso
10. pataca

abbreviation

1. pharmacy only: used to label medicines that can be obtained without a prescription, but only at a shop at which there is a pharmacist

WordReference Random House Learner's Dictionary of American English © 2026

P, p /pi/   n. [countable] , pl. Ps or P's, ps or p's. 

1. Linguistics the 16th letter of the English alphabet, a consonant.

p.,  an abbreviation of:

1. page.
2. part.
3. penny;
   pence.
4. Weights and Measures pint.

WordReference Random House Unabridged Dictionary of American English © 2026

P, p  (pē), n., pl. P's or Ps, p's or ps. 

1. Linguistics the sixteenth letter of the English alphabet, a consonant.
2. Linguistics any spoken sound represented by the letter P or p, as in pet, supper, top, etc.
3. something having the shape of aP.
4. a written or printed representation of the letter P or p.
5. a device, as a printer's type, for reproducing the letter P or p.

P, 

1. Education (as a rating of student performance) passing.
2. Chess pawn.
3. Electronics, Electricity plate.
4. Chemistry poor.
5. Grammar predicate.
6. Biochemistry, Religion Protestant.

P,  Symbol.

1. the 16th in order or in a series, or, when I is omitted, the 15th.
2. (sometimes l.c.) the medieval Roman numeral for 400. Cf. Roman numerals. 
3. [Genetics.] parental.
4. [Chem.] phosphorus.
5. [Physics.]
   • power.
   • pressure.
   • proton.
   • See space inversion. 
   • poise².
6. [Biochem.] proline.

p, 

1. penny;
   pence.
2. Music and Dance softly.
• Italian piano

P-, [Mil.]

1. Military (in designations of fighter aircraft) pursuit:
   P-38.

p-, [Chem.]

1. Chemistry para-¹ (def. 2).

P., 

1. Religion pastor.
2. Religion father.
• Latin Pater
3. Currency peseta.
4. Currency peso.
5. post.
6. president.
7. pressure.
8. Religion priest.
9. prince.
10. progressive.

p., 

1. page.
2. part.
3. Grammar participle.
4. Grammar past.
5. Religion father.
• Latin pater
6. Chess pawn.
7. penny;
   pence.
8. per.
9. Grammar person.
10. Currency peseta.
11. Currency peso.
12. Music and Dance softly.
• Latin pater
13. Weights and Measures pint.
14. pipe.
15. Sport [Baseball.] pitcher.
16. pole.
17. population.
18. after.
• Latin pater
19. president.
20. pressure.
21. Clothing purl.

Collins Concise English Dictionary © HarperCollins Publishers::

p, P / piː/ noun (p's, P's, Ps)

1. the 16th letter and 12th consonant of the modern English alphabet
2. a speech sound represented by this letter, usually a voiceless bilabial stop, as in pig
3. mind one's p's and q's ⇒ to be careful to behave correctly and use polite or suitable language

p symbol

1. (in Britain) penny or pence
2. piano: an instruction to play quietly
3. pico-
4. momentum
5. proton
6. pressure

Collins Concise English Dictionary © HarperCollins Publishers::

p- prefix

1. short for para-16

Collins Concise English Dictionary © HarperCollins Publishers::

p. abbreviation

1. (pp) page
2. part
3. participle
4. past
5. per
6. post
7. pro

Etymology: (for sense 6) Latin: after; (for sense 7) Latin: in favour of; for