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mac·ro·mol·e·cule .mak-rō-'mäl-i-.kyü(ə)l n a very large molecule (as of a protein, nucleic acid, or rubber) built up from smaller chemical structures compare MICROMOLECULE
mac·ro·mo·lec·u·lar -mə-'lek-yə-lər adj
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mac·ro·mol·e·cule (mak″ro-molґə-kūl) a very large molecule having a polymeric chain structure, as in proteins, polysaccharides, and other natural and synthetic polymers. macromolecular adjMedical dictionary. 2011.