| Hangul | 질소 |
| Romanization | jilso |
| Meaning | nitrogen |
| Part of Speech | noun |
| TOPIK Level | TOPIK Level 3 |
대기의 약 78%가 질소예요.
daegi-ui yak chilsippal peosenteu-ga jilso-yeyo.
About 78% of the atmosphere is nitrogen.
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질소 (jilso) means "nitrogen" in Korean. It is a TOPIK Level 3 vocabulary word.
질소 is pronounced "jilso" in Revised Romanization.
질소 is a TOPIK Level 3 word. TOPIK Level 3 is the intermediate level with ~3,000 words.