(suō)

13 strokes

carboxyl radical (chemistry)

Stroke order animation

Character information

Pinyin
suō
Meaning
carboxyl radical (chemistry)
Strokes
13
HSK level
Traditional
Same

Origin & structure

Where comes from and how its parts fit together.

⿰羊夋

Made of

Parts are arranged left to right.

How to write step by step

13 strokes — each frame adds one stroke, shown in dark ink over the lighter ones.

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13

Words with

Common words using — tap any character to open its stroke-order page.

suō

carboxyl group -COOH

Open 羧基 page →
suōsuān

carboxylic acid

Open 羧酸 page →

Related characters

From ’s common words

Ready to master 羧?

Trace 羧 stroke by stroke in the online practice tool, or turn it into a printable worksheet PDF with Tianzige practice grids, pinyin, and stroke-order breakdowns.