Physiol.
a pattern of brain waves having a regular frequency of 4 to 7 cycles per second as recorded by an electroencephalograph, observed during various states of light sleep or arousal.
[ 1945-50 ]
Physiol.
a pattern of brain waves having a regular frequency of 4 to 7 cycles per second as recorded by an electroencephalograph, observed during various states of light sleep or arousal.
[ 1945-50 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012