ondograph

[on-duh-graf, -grahf]

noun

an instrument for graphically recording oscillatory variations, as in alternating currents.

Origin of ondograph

< French ondographe, equivalent to onde wave (< Latin unda) + -o- -o- + -graphe -graph

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British Dictionary definitions for ondograph

ondograph

noun

an instrument for producing a graphical recording of an alternating current by measuring the charge imparted to a capacitor at different points in the cycle

Word Origin for ondograph

C20: from French, from onde wave + -graph

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012