opacify

[oh-pas-uh-fahy]

verb (used with object)

opacified, opacifying 

1. to cause to become opaque.

verb (used without object)

opacified, opacifying 

1. to become opaque.

Other Word Forms

• opacification noun
• opacifier noun

Word History and Origins

Origin of opacify¹

1910–15; < Latin opāc ( us ) shaded + -ify