原子反应堆 yuánzǐfǎnyìngduī atomic reactor Definitions Defs Origin Strokes Stroke Words Sentences Sents 原子 yuánzǐ noun atom atom; atomic; the smallest unit of a chemical element, consisting of a nucleus surrounded by electrons反应堆 反應堆 fǎnyìngduī reactor A device used to initiate and control a nuclear reaction to produce energy; short for 原子核反应堆 yuánzǐhéfǎnyìngduī.
