P

1. 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 ho bb le, ho pp le; f ather, p aternal; reci p ient, recei v e. See B , F , and M .
2. The inorganic orthophoshate ion; -- a symbol used in biochemistry.

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