Noun p has 2 senses
  1. phosphorus, P, atomic number 15 - 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
    --1 is a kind of chemical element, element
    --1 is a substance of apatite
  2. P - the 16th letter of the Roman alphabet
    --2 is a kind of
    letter, letter of the alphabet, alphabetic character
    --2 is a member of Roman alphabet, Latin alphabet
,
TOP