Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: contact action
  1. Acceleration of a chemical reaction induced by 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 contact action and another 6 are made from raw materials that are catalytically produced";
    - catalysis

Derived forms: contact actions

Type of: chemical action, chemical change, chemical process