OSCILLOGRAPH

oscillograph

(noun) a device for making a record of the wave forms of fluctuating voltages or currents

Source: WordNet® 3.1

Etymology

Noun

oscillograph (plural oscillographs)

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

Source: Wiktionary

Os"cil*lo*graph, n. [L. oscillare to swing + -graph.] (Elec.)

Definition: An apparatus for recording or indicating alternating-current wave forms or other electrical oscillations, usually consisting of a galvanometer with strong field, in which the mass of the moving part is very small and frequency of vibration very high. -- Os`cil*lo*graph"ic (#), a.

Source: Webster’s Unabridged Dictionary 1913 Edition

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