“Whirlpool / Eddy / Vortex” in Japanese is 渦, read ka, uzu (か, うず). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 渦巻き (whirlpool).
What does 渦 mean?
| Kanji | 渦 |
|---|---|
| Meaning | Whirlpool / Eddy / Vortex |
| Readings | か, うず |
| Grade | Master (高手 · secondary school) |
| Curriculum | Jōyō kanji · Japanese secondary school (JLPT N1–N2) |
| Example | 渦巻き (whirlpool) |
渦 is read ka (か) or uzu (うず) depending on the word.