opacity

名词 n.
中文释义
美 /oʊˈpæsɪti/

英文释义

名词 n.
  1. The state or quality of being opaque, not allowing light to pass through. uncountable
    — We could not see the sandbar due to the opacity of the muddy water.
  2. The state or quality of being inaccessible to understanding. uncountable
    — The opacity of these decisions is troubling.
  3. A measure of relative impenetrability to electromagnetic radiation such as light. countable
    — The opacity of a clean glass window is near zero.
  4. An opaque area. countable
    — This report concerns a child with Down's syndrome (mongolism) and bilateral congenital corneal opacities born into a family affected through three generations by Rieger's anomaly.

词形变化

opacities plural

词汇关系

衍生词
nonopacity radioopacity radiopacity referential opacity semiopacity snowball opacity subopacity
并列词
transparency

词源

From opaque + -ity, from French opacité, from Latin opacitas.
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