PETROUS


Meaning of PETROUS in English

[pe.trous] adj [ME, fr. MF petreux, fr. L petrosus, fr. petra rock, fr. Gk] (14c): of, relating to, or constituting the exceptionally hard and dense portion of the human temporal bone that contains the internal auditory organs

Merriam-Webster English vocab.      Английский словарь Merriam Webster.