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酸
酸 (readings: さん, す; Japanese kanji) means “acid / sour”. It is a Grade 5 Kyōiku kanji, taught in year 5 of Japanese elementary school, and appears in words such as 酸素 (oxygen).
What does 酸 mean?
| Kanji | 酸 |
|---|---|
| Meaning | acid / sour |
| Readings | さん, す |
| Grade | Grade 5 (Hard) |
| Curriculum | Kyōiku kanji · Japanese elementary school |
How to read 酸
酸 is read さん or す depending on the word.
Example words with 酸
| Example | 酸素 (oxygen) |
|---|
Practice writing 酸 — free
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Updated: 2026-07-14