n.
A green, gray, or red metamorphic rock, similar to slate but often having a wavy surface and a distinctive micaceous luster.
phyllitic phyl·lit'ic (fĭ-lĭt'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
