Definition for CA-TAL'Y-SIS

CA-TAL'Y-SIS, n. [Gr. καταλυσις; κατα and λυω.]

  1. Dissolution; destruction. [Little used.] – Taylor.
  2. A decomposition and new combination produced among the proximate and elementary principles of one or more compounds, by virtue of the mere presence of a substance or substances which do not of themselves enter into combination.

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