from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the alkaline waste material that is a byproduct of the Leblanc process
from the GNU version of the Collaborative International Dictionary of English
- n. the waste material, consisting chiefly of calcium hydroxide and sulphide, which accumulates as a useless residue or side product in the ordinary Leblanc process of soda manufacture; -- called also alkali waste.
Sorry, no etymologies found.