硫 — “Sulphur” in Japanese

Master (高手)りゅう

Radical ⽯ · radical 112 The building block this kanji is filed under

“Sulphur” in Japanese is 硫, read ryuu (りゅう). 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 硫黄 (sulfur).

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What does 硫 mean?

Full details, readings & example

Kanji	硫
Meaning	Sulphur
Readings	りゅう
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	硫黄 (sulfur)

How to read 硫

硫 is read ryuu (りゅう) depending on the word.

Words with 硫

硫黄

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Kanji read the same way as 硫

Same sound, different character — the classic trap. Compare them side by side:

Updated: 2026-08-28