opacity
noun
[ ə(ʊ)ˈpasɪti ]
• the quality of lacking transparency or translucence.
• "thinner paints need black added to increase opacity"
Similar:
opaqueness,
non-transparency,
lack of transparency,
cloudiness,
filminess,
haziness,
mistiness,
blur,
blurredness,
dirtiness,
dinginess,
muddiness,
griminess,
smeariness,
Origin:
mid 16th century: from French opacité, from Latin opacitas, from opacus ‘darkened’.