from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A yellow to dark brown mica, K(Mg,Fe)3AlSi3O10(OH)2, used in insulation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mica mineral with the chemical formula KMg3AlSi3O10(F,OH)2, a basic potassium magnesium aluminosilicate, used as an insulator.
from the GNU version of the Collaborative International Dictionary of English
- n. A kind of mica having generally a peculiar bronze-red or copperlike color and a pearly luster. It is a silicate of aluminia, with magnesia, potash, and some fluorine. It is characteristic of crystalline limestone or dolomite and serpentine. See mica.
from The Century Dictionary and Cyclopedia
- n. A kind of magnesia mica (see mica, 1) commonly occurring in crystalline limestone and in serpentine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum
Greek phlogōpos, fiery-looking (phlox, phlog-, flame; see bhel-1 in Indo-European roots + ōps, ōp-, eye, face; see okw- in Indo-European roots) + -ite1.(American Heritage® Dictionary of the English Language, Fourth Edition)
From German Phlogopit, from Ancient Greek ϕλογωπός ("fiery-looking") + -ite. (Wiktionary)