contact action

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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
• Derivationally related forms:
catalytic (for: catalysis)
• Hypernyms:
chemical process, chemical change, chemical action
• Hyponyms:
autocatalysis