硝 (xiāo) - Niter, saltpeter — a mineral salt (potassium nitrate)
硝 · xiāo
Niter, saltpeter — a mineral salt (potassium nitrate) used historically in gunpowder, food preservation, and traditional medicine.
Niter, saltpeter — a mineral salt (potassium nitrate)
Usage highlights
SaltpeterGunpowderNiter/nitrePotassium nitrateSodium nitrateNitrate
Usage & contexts
Examples
- Gunpowder contains saltpeter (硝石).
- This meat is cured with saltpeter (硝).
- Traditional Chinese medicine uses mineral salts (硝类).
- The chemical formula for saltpeter is KNO₃ (硝酸钾).
Collocations
- Saltpeter(硝石)
- Gunpowder(火药硝)
- Niter/nitre(硝)
- Potassium nitrate(硝酸钾)
- Sodium nitrate(硝酸钠)
- Nitrate(硝酸盐)
Idioms
- Smoke and fire of war(硝烟烽火)
- Gunpowder smoke(硝烟)
- Battlefield smoke(硝烟弥漫)
Cultural background
FAQ- One of the key ingredients in the 'Four Great Inventions' of ancient China — gunpowder.
- Used in traditional Chinese medicine for its purgative and cooling properties.
- Historically important in food preservation, especially for meat curing.