chemicalization
/ˌkɛmɪklʌɪˈzeɪʃn/(also chemicalisation)
noun
The action or process of treating something with a chemical or chemicals; the use of chemicals in a particular activity or in the production of something (as food, crops, etc.).
Origin
Mid 19th century; earliest use found in U.S. Patents. From chemicalize + -ation.