cacoplastic

cac·o·plas·tic

(kak'ō-plas'tik),
1. Relating to or causing abnormal growth.
2. Incapable of normal or perfect formation.
[caco- + G. plastikos, formed]

cac·o·plas·tic

(kak'ō-plas'tik)
1. Relating to or causing abnormal growth.
2. Incapable of normal or perfect formation.