Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun delta_wave

1 sense of delta wave

Sense 1
delta rhythm, delta wave -- (the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz))
       => brainwave, brain wave, cortical potential -- ((neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph)