1. The normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude
   - theta wave

Derived forms: theta rhythms

Type of: brain wave, brainwave, cortical potential

Encyclopedia: Theta rhythm

• word accent
• word blindness
• word class
• word deafness
• word division
• word for word
• word form
• word game
• word meaning
• word of advice
• word of farewell
• Word of God
• word of honor
• word of honour
• word order
• word picture
• word processing
• word processing system
• word processor
• word salad
• word sense
• word square
• word stress
• word string
• word structure