chai - chun
- chemical abortion
- chemical affinity
- chemical agent
- chemical beam epitaxy
- chemical biology
- chemical bomb
- chemical bond
- chemical castration
- chemical cell
- chemical change
- chemical clock
- chemical composition
- chemical compound
- chemical decomposition
- chemical defense
- chemical dependency
- chemical depilatory
- chemical dermatitis
- chemical ecology
- chemical element
- chemical energy
- chemical engineer
- chemical engineering
- chemical equation
- chemical fingerprint
- chemical flux
- chemical formula
- chemical hazard
- chemical hood
- chemical horn
- chemical indicator
- chemical kinetics
- chemical laser
- chemical law
- chemical lithosphere
- chemical messenger
- chemical nomenclature
- chemical oceanography
- chemical pathology
- chemical peel