OPACITY


Meaning of OPACITY in English

transcription, транскрипция: [ ō-ˈpa-sə-tē ]

noun

( plural -ties )

Etymology: Middle French opacité shadiness, from Latin opacitat-, opacitas, from opacus shaded, dark

Date: 1560

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)

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.