from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of many clay phyllosilicate minerals that have a relatively open structure
from the GNU version of the Collaborative International Dictionary of English
- n. A hydrous silicate of alumina, of a greenish color, which, in certain states of humidity, appears transparent and almost gelatinous.
from The Century Dictionary and Cyclopedia
- n. A massive, clay-like mineral, of a white to green or gray color: it is so called from its property of taking grease out of cloth, etc.
Sorry, no etymologies found.