epitaxy definition by Webster's New World
the growth of crystals of one mineral on top of the crystals of another, both crystal patterns having a similar structure
Origin: epi- plush -taxy, an arranging ; from Classical Greek -taxia ; from taxis: see taxis
epitaxy definition by American Heritage Dictionary
noun pl. ep·i·tax·ies
The growth of the crystals of one mineral on the crystal face of another mineral, such that the crystalline substrates of both minerals have the same structural orientation.