| Readings | On-reading | さん |
| Kun-reading | すい | |
| Meaning | acid / sour | |
| Radical | 酉 | |
| Stroke count | １４ | |
| JLPT Level | N1 | |
Stroke order of 「酸」
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Vocabulary contains 「酸」
| Word | Meaning |
| 酸素（さんそ） | oxygen |
| 酸性（さんせい） | acidity |
