Referring to situations and events within a molecule.
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in·tra·mo·lec·u·lar -mə-'lek-yə-lər adj
1) existing or acting within the molecule <\intramolecular helical regions in RNA>
2) formed by reaction between different parts of the same molecule
in·tra·mo·lec·u·lar·ly adv
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in·tra·mo·lec·u·lar (in″trə-mo-lekґu-lər) within the molecule.Medical dictionary. 2011.