p
1. [ noun ] the 16th letter of the Roman alphabet
Related terms: letter Roman_alphabet
2. [ noun ] (chemistry) 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
Synonyms: phosphorus atomic_number_15
Related terms: chemical_element apatite
Similar spelling:   Pa
  Pu
  pe
  Po
  pH
  PI
  Pai
  Pao
  paw
  Pay
  pea
  pee
  pei
  Pew
  phi
  Phy
  Pae
  Pia
  PIE
  Pio
  Poa
  poe
  poi
  Pou
  POW
  Pua
  pya
  Phu
  Pye