opaquen means to make or become opaque. Lexicurio rates it Rare gem — a strength score of 77 out of 100.
opaquen is pronounced /əʊˈpeɪkən/.
Etymology
From opaque + -en.
verb
- To make or become opaque.“It consists of a circular disc of vulcanite, about three inches in diameter, around the margin of which there are ten pieces of opaquened glass, the opacities being graduated from No. 1, which is mere cloudiness, to perfect opacity, only admitting distinction between light and dark.”