opacity
playSimple Definition of opacity
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: the quality of a material that does not allow light to pass through it : the quality of being opaque
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: the quality of being difficult to understand or explain
Full Definition of opacity
pluralopacities
1 a : obscurity of sense : unintelligibleness b : the quality or state of being mentally obtuse : dullness
2 : the quality or state of a body that makes it impervious to the rays of light; broadly : the relative capacity of matter to obstruct the transmission of radiant energy
3 : an opaque spot in a normally transparent structure (as the lens of the eye)
Examples of opacity in a sentence
the opacity of the glass
Critics have noted the opacity of her writing style.
Origin and Etymology of opacity
Middle French opacité shadiness, from Latin opacitat-, opacitas, from opacus shaded, dark
First Known Use: 1560
Medical Dictionary
opacity
playMedical Definition of opacity
opacities
1: the quality or state of a body that makes it impervious to the rays of light; broadly : the relative capacity of matter to obstruct by absorption or reflection the transmission of radiant energy (as X-rays, infrared radiation, or sound)
2: an opaque spot in a normally transparent structure (as the lens of the eye)
Learn More about opacity
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Thesaurus: All synonyms and antonyms for opacity Spanish Central: Translation of opacity Nglish: Translation of opacity for Spanish speakers Britannica English: Translation of opacity for Arabic speakers Britannica.com: Encyclopedia article about opacity
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