D defs.my
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Entry 2 senses · 2 variants Webster, 1913

oscillograph

· IPA
01 n. a device for making a record of the wave forms of fluctuating .
  1. 1.
    a device for making a record of the wave forms of fluctuating .
02 n. An apparatus for recording or indicating alternating-current wave forms or other electrical oscillations, especially of voltages or current…
  1. 1.
    An apparatus for recording or indicating alternating-current wave forms or other electrical oscillations, especially of voltages or currents; it usually consists of a galvanometer with strong field, in which the mass of the moving part is very small and frequency of vibration very high.(Elec.)