Oscillograph

noun

Definitions

Noun
  1. 1
    An instrument for measuring alternating or varying electric current in terms of current and voltage; an oscilloscope.

    "With Dr. Ewing brainstorming and Dr. Worzel leading the designers, the team slapped together precursors of more precisely manufactured measuring devices: a camera to take photos thousands of feet below the ocean’s surface, with a coffee-can lid for a flash reflector and a thick, diner-style drinking glass as its casing; a seismograph timed by a modified railroad pocket watch; an oscillograph, to record electrical changes, run by a motor from a toy electric train."

  2. 2
    a device for making a record of the wave forms of fluctuating voltages or currents wordnet

Etymology

From oscillo- + -graph.

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