Hypertext Webster Gateway: "opacity"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Opacity \O*pac"i*ty\, n. [L. opacitas: cf.F. opacit['e].]
1. The state of being opaque; the quality of a body which
renders it impervious to the rays of light; want of
transparency; opaqueness.
2. Obscurity; want of clearness. --Bp. Hall.
From WordNet (r) 1.7 (wn)
opacity
n 1: the phenomenon of not permitting the passage of
electromagnetic radiation [ant: {transparency}]
2: incomprehensibility resulting from obscurity of meaning
[syn: {opaqueness}]
3: the quality of being opaque to a degree; the degree to which
something reduces the passage of light [syn: {opaqueness}]
[ant: {clearness}]
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