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Noun: p
  1. The 16th letter of the Roman alphabet
    "The word 'pneumonia' starts with a silent p";
    - P
Noun: P  pee
  1. 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
    - phosphorus, atomic number 15

Derived forms: ps, Ps

Type of: alphabetic character, chemical element, element, letter, letter of the alphabet

Part of: apatite, Latin alphabet, Roman alphabet

Encyclopedia: P,p'-DDE