Source : Webster's Revised Unabridged Dictionary (1913)

Pentelic \Pen*tel"ic\, Pentelican \Pen*tel"i*can\, a.
   Of or pertaining to Mount Pentelicus, near Athens, famous for
   its fine white marble quarries; obtained from Mount
   Pentelicus; as, the Pentelic marble of which the Parthenon is
   built.