brain storm

== English == === Etymology === From brain +‎ storm. In the sense of "seizure, convulsion, brain activity", from the idea that it is like a storm in the brain. In the sense of "problem-solving idea or session", from the unrelated idea of using the "brain to storm a problem" (see brainstorm). === Pronunciation === (US) IPA(key): /ˈbɹ̠eɪn stoɹm/ (Received Pronunciation) IPA(key): /ˈbɹeɪn stɔːm/ === Noun === brain storm (plural brain storms) (medicine, neurology) A seizure, convulsion, or similar incident of abnormal brain activity. Alternative form of brainstorm (“a sudden thought which solves a problem; a brainstorming session”). === Verb === brain storm (third-person singular simple present brain storms, present participle brain storming, simple past and past participle brain stormed) Alternative form of brainstorm (“solve a problem with brainstorming”).