cathode-ray oscilloscope


General Science

  • noun
    (written as cathode ray oscilloscope)
    an electrical instrument with a cathode ray tube that displays the shape or size of an electrical signal on the screen


  • An instrument which uses a CRT to produce visible patterns of one or more varying electrical quantities, or nonelectrical quantities, such as acoustic waves, with the assistance of a transducer. A cathode ray oscilloscope typically displays variations in voltage plotted versus time, and may be used, for instance, to monitor signals such as brain waves. Its abbreviation is CRO, or scope (1). Also called oscilloscope (1).
  • acronymCRO