Pol`y*mor"phism (?), n.
1. (Crystallog.) Same as
Pleomorphism.
2. (Biol.) (a) The
capability of assuming different forms; the capability of widely
varying in form. (b) Existence in many
forms; the coexistence, in the same locality, of two or more distinct
forms independent of sex, not connected by intermediate gradations,
but produced from common parents.
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Webster Unabridged