brainwave

brainwave [brein-ueiv]
sustantivo
1Idea genial o brillante, lamparazo.

brainwave [ˈbreɪnweɪv]
noun
1 (Britain) (informal) idea luminosa; (f) (informal) idea genial; (f) (informal)
2 brainwaves (Med) ondas cerebrales; (f)
His brainwaves were constantly monitored