Like Niobe we marble grow, And petrify with grief.
Dryden.
Pe"trine (?), a. Of or pertaining to St.Peter; as, the Petrine
Epistles.
Pet"ro- (?). A combining form from Gr. &?; a rock, &?; a stone; as,
petrology, petroglyphic.
Pe*trog"a*le (?), n. [NL., fr. Gr. &?; a rock + &?; a weasel.] (Zoˆl.)
Any Australian kangaroo of the genus Petrogale, as the rock wallaby (P.
penicillata).
Pet`ro*glyph"ic (?), a. Of or pertaining to petroglyphy.
Pe*trog"ly*phy (?), n. [Petro + Gr. &?; to carve.] The art or operation
of carving figures or inscriptions on rock or stone.
{ Pet`ro*graph"ic (?), Pet`ro*graph"ic*al (?), } a. Pertaining to
petrography.
Pe*trog"ra*phy (?), n. [Petro + -graphy.] 1. The art of writing on
stone.
2. The scientific description of rocks; that department of science
which investigates the constitution of rocks; petrology.
Pet`ro*hy"oid (?), a. [Petro + hyoid.] (Anat.) Pertaining to petrous,
oe periotic, portion of the skull and the hyoid arch; as, the
petrohyoid muscles of the frog.