from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a series of variously colored, often fluorescent mineral silicates of aluminum, calcium, and sodium. Also called wernerite.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several mixed sodium and calcium aluminosilicates which also contain chloride, carbonate and sulfate and are found in metamorphic rocks
from the GNU version of the Collaborative International Dictionary of English
- n. A grayish white mineral occuring in tetragonal crystals and in cleavable masses. It is essentially a silicate of alumina and soda.
from The Century Dictionary and Cyclopedia
- n. One of a group of minerals, silicates of aluminium and calcium, with sometimes sodium, also often containing chlorin in small amount.
Latin scāpus, stalk; see scape1 + -lite (from the prismatic shape of its crystals).(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek a staff, or Latin scapus a stem, stalk + -lite. (Wiktionary)