petrous
1. [ adjective ] (of bone especially the temporal bone) resembling stone in hardness
Synonyms: stonelike
Related terms: hard
Similar spelling:   Petrus
  Petros
  Petters
  Petruso
  Petrosky
  Petroski
  Peatross
  Petterson
  Petrowski
  Petrosino
  Pedroso
  Pedrosa
  Petrucci
  Pietrowski
  Petrograd
  Petrogale