oscilloscope

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Related to O-scope: oscilloscope

oscilloscope

 [ŏ-sil´o-skōp]
an instrument that displays a visual representation of electrical variations on the fluorescent screen of a cathode-ray tube.

os·cil·lo·scope

(ŏ-sil'ō-skōp),
An oscillograph in which the record of oscillations is continuously visible.