brainwave means any of many rhythmic fluctuations of electric potential between parts of the brain, especially those seen on an electroencephalogram. Lexicurio rates it Rare gem — a strength score of 82 out of 100.
Etymology
From brain + wave.
noun
- Any of many rhythmic fluctuations of electric potential between parts of the brain, especially those seen on an electroencephalogram.
- A sudden idea, understanding, or inspiration; a brainstorm.