Kalmar “intramolecular” sifa ce da ke nufin wani abu da ke faruwa ko ya wanzu a cikin kwayar halitta ko tsakanin kwayoyin halitta guda daya. Yana bayyana wani tsari ko dauki da ke faruwa a cikin tsarin kwayar halitta, maimakon tsakanin kwayoyin halitta daban-daban. Prefix "intra-" yana nufin "cikin," yayin da "kwayoyin halitta" yana nufin tsarin kwayar halitta. Saboda haka, "intramolecular" a zahiri yana nufin "cikin kwayar halitta."