opacify

[oh-pas-uh-fahy]

verb (used with object), o·pac·i·fied, o·pac·i·fy·ing.

to cause to become opaque.

verb (used without object), o·pac·i·fied, o·pac·i·fy·ing.

to become opaque.

Origin of opacify

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

Related formso·pac·i·fi·ca·tion, nouno·pac·i·fi·er, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018