Sudden bright idea, informally

• Clever idea
• (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
• British party welcoming stylish women with a bright idea
• The clear (and often sudden) understanding of a complex situation
• EEG detection

Wikipedia Word definitions in Wikipedia
Brainwave (or Brain Wave ) is a name shared by two characters in the DC Comics Universe , who are father and son.

WordNet Word definitions in WordNet
n. (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph [syn: brain wave , cortical potential ] the clear (and often sudden) understanding of a complex situation [syn: insight ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
brainwave \brain"wave`\ (br[=a]n"w[=a]v), n. rapid fluctuations of voltage between parts of the brain. Syn: brain wave, cortical potential. the clear (and often sudden) understanding of a complex situation. Syn: insight, brainstorm.

Wiktionary Word definitions in Wiktionary
alt. 1 Any of many rhythmic fluctuations of electric potential between parts of the brain, especially those seen on an electroencephalogram 2 (senseid en inspiration) A sudden idea, understanding, or inspiration; a brainstorm n. 1 Any of many rhythmic fluctuations ...