Catalysis

//kəˈtæləsɪs// noun

noun ·Uncommon ·College level

Definitions

Noun
  1. 1
    The increase of the rate of a chemical reaction, induced by a catalyst. countable, uncountable
  2. 2
    acceleration of a chemical reaction induced by the presence of material that is chemically unchanged at the end of the reaction wordnet

Etymology

From Ancient Greek κατάλυσις (katálusis, “dissolution”), from καταλύω (katalúō, “I dissolve”), from κατά (katá, “down”) + λύω (lúō, “I loose”). By surface analysis, cata- + -lysis.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.