Associations to the word «Opacity»

Wiktionary

OPACITY, noun. (uncountable) The state or quality of being opaque, not allowing light to pass through
OPACITY, noun. (uncountable) The state or quality of being inaccessible to understanding
OPACITY, noun. (optics) (countable) A measure of relative impenetrability to electromagnetic radiation such as light.

Dictionary definition

OPACITY, noun. The phenomenon of not permitting the passage of electromagnetic radiation.
OPACITY, noun. Incomprehensibility resulting from obscurity of meaning.
OPACITY, noun. The quality of being opaque to a degree; the degree to which something reduces the passage of light.

Wise words

The difference between the right word and the almost right word is the difference between lightning and a lightning bug.
Mark Twain