— oscillographic , /euh sil'euh graf"ik/ , adj. — oscillography /os'euh log"reuh fee/ , n.
/euh sil"euh graf', -grahf'/ , n. Elect.
a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
[ 1870-75; OSCILL(ATE) + -O- + -GRAPH ]