How to Write 砜 (fēng) — Meaning “Sulfone”

Imagine a stone (石) that is so light it blows away in the wind (风) — that unusual "wind-stone" is a sulfone (砜). This picture helps you link the two parts to the rare chemical meaning. The sound "feng" in 风 also matches the pronunciation.

Pay attention to the right side 风: it starts with a left-falling stroke, then a horizontal hook, then a left-falling stroke inside, and finally a dot. A common mistake is to write 风 as 几 (a table), but the hook and inner dot are essential. Also, keep the left radical 石 narrow so both sides balance.

砜 has the right component 风 (wind) and means "sulfone," a chemical term. 矶 has the right component 几 (a small table) and means a rock or stone step. 矸 uses 干 (dry) on the right and refers to waste rock or gangue. Their pronunciations and meanings are completely different.

砜 is a specialized character used mainly in chemistry and medicine, such as in 砜类 (sulfones) or drug names like 氨砜 (dapsone). You will not encounter it in everyday conversation, but it appears in scientific texts. Knowing it helps when reading about organic compounds or certain medications.

Common words containing 砜 include: 砜类 (fēng lèi) — Sulfones; 氨砜 (ān fēng) — Dapsone; 二甲砜 (èr jiǎ fēng) — Dimethyl sulfone..