酸
酸 — Acid
acid, bitterness, sour, tart
On’yomiサン (san)
Kun’yomiすい (sui)
Stroke order (14 strokes)
Watch the strokes draw themselves in the correct order — numbers mark where each stroke starts. Diagram from KanjiVG (CC BY-SA).
Common words using 酸
| Word | Reading | Meaning |
|---|---|---|
| 酸化 | さんか sanka | oxidation; oxidization |
| 酸性 | さんせい sansei | acidity; acidic |
| 酸素 | さんそ sanso | oxygen (O) |
| 酸 | さん san | acid; sourness; sour taste |
| アミノ酸 | アミノさん aminosan | amino acid |
| 一酸化炭素 | いっさんかたんそ issankatanso | carbon monoxide |
Study notes
酸 is a JLPT N1 kanji written with 14 strokes. It is taught in Japanese elementary school (grade 5), so native children learn it early — a good sign it appears everywhere. Ranked #1218 of the 2,500 most frequent kanji in newspapers. On’yomi (音読み) are Chinese-derived readings mostly used in compound words; kun’yomi (訓読み) are native Japanese readings, with any highlighted part written in hiragana after the kanji (okurigana).
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