Dictionary Home »
Webster's New World College Dictionary » sillimanite
sillimanite
sillimanite definition
☆ sil·li·man·ite (sil′ə mə nīt′)
noun
a very hard, mineral, aluminum silicate, AlSiO, usually found in metamorphic rock as long, slender crystals of various colors
Etymology: after B. Silliman (1779-1864), U.S. chemist and geologist + -ite
Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
Comments
Improve this definition.
Share on Facebook