#426. Opacity. -- N. opacity; opaqueness &c. adj. film; cloud &c. 353.
V. be opaque &c. adj.; obstruct the passage of light; obfuscate, offuscate|.
Adj. opaque, impervious to light; adiaphanous[obs3]; dim &c. 422; turbid, thick, muddy, opacous|, obfuscated, fuliginous[obs3], cloud, hazy, misty, foggy, vaporous, nubiferous[obs3], muggy|| (turbidity) 426 a.
smoky, fumid[obs3], murky, dirty.