intramolecular

[ in-truh-muh-lek-yuh-ler, -moh- ]
/ ˌɪn trə məˈlɛk yə lər, -moʊ- /

adjective

existing or occurring within a molecule.

Origin of intramolecular

First recorded in 1880–85; intra- + molecular

British Dictionary definitions for intramolecular

intramolecular
/ (ˌɪntrəməˈlɛkjʊlə) /

adjective

occurring within a molecule or molecules