opacity

(noun)

noun

1. the phenomenon of not permitting the passage of electromagnetic radiation

Definition categories: phenomenon

2. incomprehensibility resulting from obscurity of meaning

Similar word(s): opaqueness

Definition categories: attribute, incomprehensibility

3. the quality of being opaque to a degree; the degree to which something reduces the passage of light

Similar word(s): opaqueness

Definition categories: attribute, quality

Sentences with opacity as a noun:

- We could not see the sandbar due to the opacity of the muddy water.

- The opacity of these decisions is troubling.

- The opacity of a clean glass window is near zero.