brain wave

A sudden clever idea or insight that comes to mind unexpectedly, often solving a problem or sparking creativity.

ruВнезапная умная идея или озарение, приходящее в голову неожиданно, часто решающее проблему или стимулирующее творчество.esUna idea repentina y brillante o una inspiración que surge de forma inesperada, a menudo resolviendo un problema o estimulando la creatividad.frSoudaine idée ingénieuse ou illumination qui vient à l'esprit de façon inattendue, résolvant souvent un problème ou stimulant la créativité.deEin plötzlicher kluger Einfall oder eine plötzliche Eingebung, die unerwartet kommt und oft ein Problem löst oder die Kreativität anregt.ptUma ideia súbita e inteligente ou uma inspiração que vem à mente de forma inesperada, frequentemente resolvendo um problema ou estimulando a criatividade.zh指突然产生的聪明想法或灵感，常能解决问题或激发创造力；也指脑电波，即大脑活动产生的电信号。arفكرة ذكية أو إلهام مفاجئ يخطر في الذهن دون توقع، وغالبًا ما يحل مشكلة أو يحفز الإبداع.

1. Sudden idea B2 informal

   A sudden clever idea or inspiration.

   • I had a brain wave and solved the puzzle instantly.
   • She had a brain wave about how to improve the design.
   • His brain wave saved the company a lot of money.

   ruВнезапная идеяesIdea repentinafrIllumination soudainedePlötzliche IdeeptIdeia repentinazh灵光一闪arفكرة مفاجئة

2. Electrical activity in the brain B2 formal

   An electrical signal produced by the brain, measured in an EEG.

   • The doctor studied the patient's brain waves during sleep.
   • Brain waves can indicate different states of consciousness.
   • The EEG recorded abnormal brain wave patterns.

   ruМозговая волнаesOnda cerebralfronde cérébraledeGehirnwelleptOnda cerebralzh脑电波arموجة دماغية