noun om·ni·science \äm-ˈni-shən(t)s\

Definition of omniscience

  1. :  the quality or state of being omniscient <the brilliant military mind … gradually became infected by a conviction of military and political omniscience — Drew Middleton>

Origin and Etymology of omniscience

Medieval Latin omniscientia, from Latin omni- + scientia knowledge — more at science

First Known Use: circa 1610

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