General English

General Science

  • noun the existence of a difference in amount, concentration, number or other feature
  • noun a difference within a possible range or from a standard
  • noun something that is slightly different from other similar things


  • noun a change or the amount of a change
  • noun the angular difference between magnetic north and true north, which is measured in degrees and is named east or west according to whether the north-seeking end of a freely suspended magnet lies to the east or to the west of the true meridian at that point


  • noun the amount by which something changes


  • noun a change in conditions