成句・複合語：
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baby brain,
also US: mommy brain,
also UK: mummy brain n | humorous, informal (pregnancy or new mother forgetfulness) | ベビーブレイン、妊娠中の女性に記憶力低下が起こりやすいとする俗信 名
HHiraganaべびーぶれいん、にんしんちゅうのじょせいにきおくりょくていかがおこりやすいとするぞくしん |
| brain cell n | (nerve cell in the brain) | 脳細胞 名
HHiraganaのうさいぼう |
| | Dopamine is a chemical that stimulates brain cells. |
| brain damage n | (injury to the brain) | 脳損傷 名
HHiraganaのうそんしょう |
| | The driver suffered severe brain damage in the accident. |
| brain damage n | (impaired mental functioning) | 脳障害、脳機能障害 名
HHiraganaのうしょうがい、のうきのうしょうがい |
| | The patient's brain damage prevents control of bodily movements. |
brain dead,
brain-dead adj | (patient: brain no longer functions) | 脳死状態の 形
HHiraganaのうしじょうたいの |
| 注釈: A hyphen is used when the adjective precedes the noun |
| | She was assessed to be brain dead following the crash. |
brain dead,
brain-dead adj | figurative, pejorative, slang (person: stupid, unthinking) (卑語) | ばか、アホ 名
HHiraganaばか、あほ |
| | Who hasn't heard of Ronald Reagan? Is that girl brain dead? |
| brain drain n | figurative (mass emigration of skilled people) | 頭脳流出、有能な人々が外国に移り住むこと 名
HHiraganaずのうりゅうしゅつ、ゆうのうなひとびとががいこくにうつりすむこと |
| | Poland experienced a brain drain when much of its educated population emigrated to the UK. |
| brain fart n | informal (lapse in thought) | ど忘れ 名
HHiraganaどわすれ |
| brain freeze n | informal (headache caused by ice cream) (冷たいものを食べた時に起こる頭痛) | ブレインフリーズ 名
HHiraganaぶれいんふりーず |
| brain injury n | (damage to cerebral area) | 脳損傷 名
HHiraganaのうそんしょう |
| brain power n | (intellectual or mental capacity) | 知力 名
HHiraganaちりょく |
| | Eating fish is supposed to increase one's brain power. |
| brain stem n | (base of the brain) (身体) | 脳幹 名
HHiraganaのうかん |
| | The brain stem regulates the central nervous system. |
| brain surgery n | (operation on the brain) | 脳外科手術 名
HHiraganaのうげかしゅじゅつ |
| | Brain surgery usually means drilling through the skull first. |
| brain surgery n | figurative ([sth] difficult, complex) | 非常に難しいこと 名
HHiraganaひじょうにむずかしいこと |
| 注釈: Usually used with a negative: It's not brain surgery. |
| | Come on! It's not like this is brain surgery! Just diagram the sentence. |
| brainstorm⇒ vi | (think up ideas) (～について) | ブレインストーミングをする 動詞句
HHiraganaぶれいんすとーみんぐをする |
| | | アイデアを引き出す 動詞句
HHiraganaあいであをひきだす |
| | The team brainstormed all day, but could not come up with a solution. |
| brainstorm n | (idea-gathering session) | 良い考えを捻出すること 、 名案を導くために考えること 名
HHiraganaよいかんがえをねんしゅつすること 、 めいあんをみちびくためにかんがえること |
| | | ブレインストーミング 名
HHiraganaぶれいんすとーみんぐ |
| | A department meeting is scheduled for next week to have a brainstorm regarding the company's sales goals. |
| brainstorm n | (sudden idea) | 良い考え 、 名案 、 妙案 、 ひらめき 名
HHiraganaよいかんがえ 、 めいあん 、 みょうあん 、 ひらめき |
| | | インスピレーション 名
HHiraganaいんすぴれーしょん |
| | Thomas had a brainstorm and decided to start his own business. |
| brainstorm n | UK, informal (sudden inability to think clearly) (口語) | ぼけ 名
HHiraganaぼけ |
| | I must have had a brainstorm: I've left my briefcase and all my papers at home! |
brainteaser,
brain-teaser n | (puzzle, riddle) (パズル等) | 難題、難問 名
HHiraganaなんだい、なんもん |
brainwave,
brain wave n | usually plural (electrical impulse in the brain) | 脳波 名
HHiraganaのうは |
| | Brainwaves carry messages throughout our bodies. |
brainwave,
brain wave n | figurative, informal (good idea) | ひらめき、名案 名
HHiraganaひらめき、めいあん |
| 注釈: Usually singular for this meaning. |
| | I had the brainwave of using apricots instead of dates, and the cake was delicious. |
featherbrain,
featherhead (US),
feather-brain (UK) n | informal, figurative, pejorative (foolish person) | 頭の軽い人、頭の空っぽな人 名
HHiraganaあたまのかるいひと、あたまのからっぽなひと |