碿 (sù) - A type of stone & a whetstone used for sharpening blades or tools.

碿Tone 4

sù ｜ 15 strokes ｜ radical:

树檀

碿 · sù

A type of stone;

a whetstone used for sharpening blades or tools.

A type of stonea whetstone used for sharpening blades or tools.

Usage highlights

whetstonegrinding stonestone toolsharpening stone

Synonyms

Antonyms

Usage & contexts

Examples

  • He sharpened the knife on the whetstone (碿).
  • The ancient tool was made of a special stone (碿石).
  • Grinding tools on a stone (碿上磨具).

Collocations

  • whetstone(碿石)
  • grinding stone(磨碿)
  • stone tool(碿具)
  • sharpening stone(砺碿)

Idioms

  • To sharpen on a whetstone(碿砺以须)
  • As hard as a whetstone(坚如碿石)

Cultural background

FAQ
  • Historically used in tool-making and blade sharpening.
  • Associated with craftsmanship and precision in ancient Chinese technology.

FAQ