epoxidize
[ e-pok-si-dahyz, ih-pok- ]
/ ɛˈpɒk sɪˌdaɪz, ɪˈpɒk- /
verb (used with object), ep·ox·i·dized, ep·ox·i·diz·ing. Chemistry.
to change (a chemical compound) into an epoxide.
Also
especially British,
e·pox·i·dise.