contact action

Noun contact action has 1 sense

• contact action(n = noun.process) catalysis - 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"
has particulars: autocatalysis
is a kind of chemical action, chemical change, chemical process