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

1 sense of theta wave

Sense 1
theta rhythm, theta wave -- (the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude)
       => brainwave, brain wave, cortical potential -- ((neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph)