superdecompound
/ˈsuːpəˌdiːˌkɒmpaʊnd/ /ˈsjuːpəˌdiːˌkɒmpaʊnd/noun
Chemistry. A substance formed by repeated compounding. Compare decompound rare. Now historical.
Origin
Mid 18th century; earliest use found in Henckel's Pyritologia. From super- + decompound; in use in chemistry as noun after post-classical Latin superdecompositus, adjective; in use in botany as adjective after post-classical Latin supradecompositus.