epitaxy
Pronunciation: ep′i-tak′sē
Definition: The growth of one crystal in one or more specific orientations on the substrate of another kind of crystal, with a close geometric fit between the networks in contact; seen in the alternating layers of different composition in stones from the kidney and gallbladder, indicating an abrupt change of composition during formation.
[epi- + G. taxis, arrangement]
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.
