contact action is a noun meaning "acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction". It carries one recorded sense.
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”
Definitions, synonyms and semantic relations for contact action come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.