opacify

verb
opac·​i·​fy | \ ō-ˈpas-ə-ˌfī How to pronounce opacify (audio) \
opacified; opacifying

Medical Definition of opacify

transitive verb

: to cause (as the cornea or internal organs) to become opaque or radiopaque

intransitive verb

: to become opaque or radiopaque