opacity

Plural: opacities

Noun

• The state or quality of being opaque, not transparent.
• the phenomenon of not permitting the passage of electromagnetic radiation
• incomprehensibility resulting from obscurity of meaning
• the quality of being opaque to a degree; the degree to which something reduces the passage of light
• The state or quality of being opaque, not allowing light to pass through
• The state or quality of being inaccessible to understanding.
• A measure of relative impenetrability to electromagnetic radiation such as light.

Examples

• The opacity of a clean glass window is near zero.
• The opacity of the rules around a new word left both players puzzled during their game.
• The opacity of these decisions is troubling.
• We could not see the sandbar due to the opacity of the muddy water.

Synonyms

opaqueness

Antonyms

clarity, transparency