Pseü'do-mōrph, n.

(sū'do-mōrf), n. [See infra.]

1. An irregular or deceptive form. Tennyson.
2. (Crystallog.) A pseudomorphous crystal, as a crystal consisting of quartz, but having the cubic form of fluor spar, the fluor crystal having been changed, by a process of substitution, to quartz. Dana.