P vs. Pp

P

the sixteenth letter of the English alphabet, is a nonvocal consonant whose form and value come from the Latin, into which language the letter was brought, through the ancient Greek, from the Phœnician, its probable origin being Egyptian. Etymologically P is most closely related to b, f, and v; as hobble, hopple; father, paternal; recipient, receive. See B, F, and M.

Pnoun

a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms

Pnoun

the 16th letter of the Roman alphabet

P

P, or p, is the sixteenth letter of the modern English alphabet and the ISO basic Latin alphabet. Its name in English is pee (pronounced ), plural pees.

Ppnoun

; nodot=1

Ppnoun

(countable) percentage point

Ppnoun

proton and proton (used attributively to describe a collision or other interaction of these two particles)