Pȳr'o-mōr'phoŭs, a.
a. [Gr. πῦρ, πυρός, fire, and μορφή, shape.] (Min.) Having the property of crystallizing by the agency of fire.
a. [Gr. πῦρ, πυρός, fire, and μορφή, shape.] (Min.) Having the property of crystallizing by the agency of fire.