Tertiary wave Tertiary waveseismic energy that has been converted into acoustic energy in the ocean. Also a T-wave.Synonyms: T-wave, T-waves, T-phasesRelated Articles: Decoding the hum of submarine volcanic eruptionsHow is sound used to study undersea earthquakes?Noise Field in the Arctic Chris Knowlton2019-10-11T10:25:09-05:00