from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An orthorhombic mineral composed of sodium aluminium carbonate hydroxide.
from the GNU version of the Collaborative International Dictionary of English
- n. A hydrous carbonate of alumina and soda, occuring in white, bladed crustals.
from The Century Dictionary and Cyclopedia
- n. A hydrous carbonate of sodium and aluminium, occurring in white-bladed crystals at Montreal, and in the province of Siena in Italy.
Sir John William Dawson, geologist, + -ite. (Wiktionary)