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Webster 1913 Edition

Petrous

Pe′trous

,

Adj.

[L.

petrosus

, fr.

petra

a stone.]

1.

Like stone; hard; stony; rocky;

as, the

petrous

part of the temporal bone

.

Hooper.

2.

(Anat.)

Same as

.

Webster 1828 Edition

Petrous

PE'TROUS

,

Adj.

[L. petra, a stone.] Like stone; hard; stony.