Noah Webster
Isomorphism
ISOMORPH'ISM, noun [Gr. like, and form.] The quality of a substance by which it is capable of replacing another in a compound, without an alteration of its primitive form.
ISOMORPH'ISM, noun [Gr. like, and form.] The quality of a substance by which it is capable of replacing another in a compound, without an alteration of its primitive form.