D defs.my
Entry 1 sense Webster, 1913

Obscuration

· Ob·scu·ra·tion · IPA
01 n. The act or operation of obscuring; the state of being obscured; as, the obscuration of the moon in an eclipse.
  1. 1.
    The act or operation of obscuring; the state of being obscured; as, the obscuration of the moon in an eclipse.