overlayer From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA layer of adatoms adsorbed onto a surface, as onto the surface of a single crystal. Related wordsSynonymssheathingoverlayadatomepitaxial layermetalayersuperlatticeovershiftsublatticesupracrystalunderplatingchromium platingspace latticegold plateadsorboluminescenceaxialitestonelayer References Wiktionary — overlayer Wikipedia — overlayer