What does the word omniscience mean?

Usage examples for omniscience

  1. " I was very much puzzled, but the force with which Tibertius' omniscience was affirmed impressed me. – Contemporary Russian Novelists by Serge Persky
  2. Our case, too, was somewhat peculiar; obsolete technicalities, only half intelligible even to experts, met us at every turn; and when we got out into the open air I felt that the thing was indeed done, but that it would puzzle omniscience to do it in exactly the same way again. – Reminiscences of Charles Bradlaugh by George W. Foote