| Hangul | 원자핵 |
| Romanization | wonjahaek |
| Meaning | atomic nucleus |
| Part of Speech | noun |
| TOPIK Level | TOPIK Level 5 |
원자핵은 양성자와 중성자로 구성돼요.
wonjahaek-eun yangseongjawa jungseongja-ro guseongdwaeyo.
An atomic nucleus is composed of protons and neutrons.
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원자핵 (wonjahaek) means "atomic nucleus" in Korean. It is a TOPIK Level 5 vocabulary word.
원자핵 is pronounced "wonjahaek" in Revised Romanization.
원자핵 is a TOPIK Level 5 word. TOPIK Level 5 is the advanced level with ~8,000 words.