Definition of "overlayer" [o•ver•lay•er]

• A layer of adatoms adsorbed onto a surface, as onto the surface of a single crystal. (noun)

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• "Blood & Iron did not have the overlayer to carry the story forward for people who were not watching the thematic interlace."
• "The cocoon is double layered with a tight white inner layer and a mesh overlayer."
• "There was an overlayer of some sheer fabric that was scalloped at the hem."