ONDOGRAPH
Noun
ondograph (plural ondographs)
An instrument for autographically recording the waveforms of varying currents, especially rapidly varying alternating currents.
Source: Wiktionary
On"do*graph, n. [F. onde wave, L. unda + -graph.] (Elec.)
Definition: An instrument for autographically recording the wave forms of varying currents, esp. rapidly varying alternating currents.
Source: Webster’s Unabridged Dictionary 1913 Edition
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10 June 2025
COMMUNICATIONS
(noun) the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); “communications is his major field of study”
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