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Definition of Opacity
1. Noun. The phenomenon of not permitting the passage of electromagnetic radiation.
Generic synonyms: Physical Phenomenon
Specialized synonyms: Optical Opacity, Radio-opacity, Radiopacity
Derivative terms: Opaque
Antonyms: Transparency
Specialized synonyms: Optical Opacity, Radio-opacity, Radiopacity
Derivative terms: Opaque
Antonyms: Transparency
2. Noun. Incomprehensibility resulting from obscurity of meaning.
3. Noun. The quality of being opaque to a degree; the degree to which something reduces the passage of light.
Exact synonyms: Opaqueness
Specialized synonyms: Cloudiness, Muddiness, Murkiness, Blurriness, Fogginess, Fuzziness, Indistinctness, Softness
Generic synonyms: Quality
Attributes: Opaque
Antonyms: Clarity
Derivative terms: Opaque, Opaque
Specialized synonyms: Cloudiness, Muddiness, Murkiness, Blurriness, Fogginess, Fuzziness, Indistinctness, Softness
Generic synonyms: Quality
Attributes: Opaque
Antonyms: Clarity
Derivative terms: Opaque, Opaque
Definition of Opacity
1. n. The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
Definition of Opacity
1. something that is opaque [n -TIES]
Medical Definition of Opacity
1. The degree to which smoke or particles emitted into the air reduce the transmission of light and obscure the view of an object in the background. (05 Dec 1998)