• Chemical abortifacient
• Chemical accelerant
• Chemical acetylization
• Chemical acidifier
• Chemical acridity
• Chemical additive
• Chemical adsorption
• Chemical adulteration
• Chemical ameliorator
• Chemical analysis
• Chemical aphidocide
• Chemical assay
• Chemical bond chemisorption
• Chemical boride
• Chemical burn
• Chemical by-product
• Chemical byproduct
• Chemical carcinogen
• Chemical carcinogenesis
• Chemical castration