Medical Dictionary

opaque

adj \ō-ˈpāk\

Definition of OPAQUE

:  exhibiting opacity :  not pervious to radiant energy
opaque·ness noun
April 02, 2015
capricious Hear it
impulsive or unpredictable
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears