n. [ F. onde wave, L. unda + -gram. ] (Elec.) The record of an ondograph. [ Webster 1913 Suppl. ]
n. [ F. onde wave, L. unda + -graph. ] (Elec.) An instrument for autographically recording the wave forms of varying currents, esp. rapidly varying alternating currents. [ Webster 1913 Suppl. ]
n. [ F. onde wave, L. unda + -mater. ] An electric wave meter. [ Webster 1913 Suppl. ]
‖a. [ F., p.pr. of ondoyer to undulate, fr. onde wave, L. unda. ] (Art) Wavy; having the surface marked by waves or slightly depressed furrows;