Wordnet 3.0
NOUN (1)
1.
acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction;
- Example: "of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced"[syn: catalysis, contact action]
WordNet (r) 3.0 (2006):
contact action
n 1: acceleration of a chemical reaction induced the presence of
material that is chemically unchanged at the end of the
reaction; "of the top 50 commodity chemicals, 30 are
created directly by catalysis and another 6 are made from
raw materials that are catalytically produced" [syn:
catalysis, contact action]