from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Finely pulverized gypsum used in making paper and paints and as a nutrient for growing yeast.
- n. Kaolin.
from the GNU version of the Collaborative International Dictionary of English
- n. a white amorphous earthy substance consisting of burnt gypsum, aluminium silicate (kaolin), or some similar ingredient, as magnesia. It is sometimes used to adulterate certain foods, spices, candies, paints, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper)
- n. finely pulverized gypsum used especially as a pigment
- n. fine white clay used in making tobacco pipes and pottery and in whitening leather
New Latin : Latin terra, earth + Latin alba, feminine of albus, white.(American Heritage® Dictionary of the English Language, Fourth Edition)