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opacity

noun
/oʊˈpæsɪti/US

Etymology

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

  1. derived from opacité

Definitions

  1. The state or quality of being opaque, not allowing light to pass through.

    • We could not see the sandbar due to the opacity of the muddy water.

  2. The state or quality of being inaccessible to understanding.

    • The opacity of these decisions is troubling.

  3. A measure of relative impenetrability to electromagnetic radiation such as light.

    • The opacity of a clean glass window is near zero.
  4. ›+ 1 more definition

    1. An opaque area.

      • 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.
      • Scanty irregular opacities are not uncommonly observed on the chest roentgenogram in the absence of interstitial fibrosis of the lungs.

The neighborhood

Derived

nonopacity, radioopacity, radiopacity, referential opacity, semiopacity, snowball opacity, subopacity

Vish — recursive loop

A definitional loop anchored at opacity. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01opacity02opaque03unclear04explicitly05explicit06film

A definitional loop anchored at opacity. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

6 hops · closes at opacity

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA