delta wave   (TTS Sound)

The delta_wave has 1 Senses.

• delta rhythm, delta wave
• δ波
• the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz)
• 夢を見ないほど深い眠りの人の脳造影図に見られる正常な脳波