The Collaborative International Dictionary
Oscillographic
Oscillograph \Os"cil*lo*graph\, n. [L. oscillare to swing + -graph.] (Elec.) An apparatus for recording or indicating alternating-current wave forms or other electrical oscillations, especially of voltages or currents; it usually consists 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.
Wiktionary
oscillographic
a. Of or pertaining to an oscillograph