過熱した
解説 Definition
overheated は overheat（過熱する、過熱させる）の過去形・過去分詞です。機械や体、状況などが必要以上に熱くなったことを表します。
The past tense and past participle of overheat, meaning became or was made excessively hot. It is used especially of engines, electronic devices, rooms, and bodies whose temperature rose beyond a safe or comfortable level.
覚え方のコツ Memory Tip
原形 overheat の過去形・過去分詞で、heat の /t/ の後に付く -ed は /ɪd/ と発音します。over-「過度に」＋heat「熱する」から「必要以上に熱くなった」と理解し、engine、laptop、room など、熱がこもって正常な範囲を超えた場面と結び付けましょう。
Overheated is the past tense and past participle of overheat. Divide it into over-, “too much,” and heat: an overheated engine, laptop, room, or body has become hotter than is safe, normal, or comfortable. The form is regular, and -ed is pronounced /ɪd/ because heat ends in the /t/ sound. Picture a laptop shutting down during a video call or an engine failing on a long hill. This distinguishes overheated from merely warm or hot, which does not necessarily imply an excessive or harmful temperature.
例文
The engine overheated on the long hill.
長い坂道でエンジンが過熱しました。
My laptop overheated during the video call.
ビデオ通話中に私のノートパソコンが過熱しました。
The room overheated because the heater was left on.
暖房をつけたままにしていたため、部屋が暑くなりすぎました。
overheated の類義語・関連語
overheated の語源・成り立ち Etymology
over- は古英語 ofer「過度に」、heat は古英語 hǣtan「熱くする」から来て、overheated は文字通り「熱くしすぎた」です。そこから機械の過熱だけでなく、議論や市場が「行きすぎて熱を帯びた」状態にも広がりました。関連語は overheat, heat。
Overheat was formed in English from over-, meaning “excessively” or “beyond a proper limit,” and heat. Over is inherited from Old English ofer, while heat belongs to an Old English Germanic word family that included nouns and verbs for warmth and making hot. Overheated adds the regular past-tense and past-participial ending -ed and literally denotes having become, or having been made, too hot.
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