ondograph

== English == === Etymology === Borrowed from French ondographe, from onde (“wave”) +‎ -o- +‎ -graphe. === Pronunciation === (Received Pronunciation) IPA(key): /ˈɒndəʊˌɡrɑːf/, /ˈɒndəʊˌɡræf/ (General American) IPA(key): /ˈɑndəˌɡræf/, /ˈɑndəˌɡrɑf/ === Noun === ondograph (plural ondographs) An instrument for autographically recording the waveforms of varying currents, especially rapidly varying alternating currents. ==== Related terms ==== ondogram === References === “ondograph”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. “ondograph”, in Collins English Dictionary, 2011–present.