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mono·mo·lec·u·lar .män-ō-mə-'lek-yə-lər adj
1) being only one molecule thick <a \monomolecular film>
2) relating to or being a process whose rate is directly proportional to the amount or concentration of the material undergoing the process
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mono·mo·lec·u·lar (mon″o-mo-lekґu-lər) pertaining to or involving one molecule.Medical dictionary. 2011.