quinquedentate
/ˌkwɪŋkwɪˈdɛnteɪt/(also quinquidentate)
adjective
Chemistry. Of a ligand: forming five separate bonds. Of a complex: formed by such a ligand.
Origin
Mid 18th century (in an earlier sense). From post-classical Latin quinquedentatus from classical Latin quīnque- + dentātus.