Definition for I-SO-MORPH'ISM

I-SO-MORPH'ISM, n. [Gr. ισος, like, and μορφη, form.]

  1. The quality of assuming the same crystaline form though composed of different elements, or proximate principles, yet with the same number of equivalents.
  2. The quality of a substance by which it is capable of replacing another in a compound, without an alteration of the previous crystaline form of the compound.

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