DECA- Meaning of DECA- in English deca- combining form▶ with stress-neutral suffix ¦dek ə — decagram ˈdek ə ɡræm BrE AmE▶ with stress-imposing suffix dɪ ˈkæ+ də- — Decapolis dɪ ˈkæp ə l ɪs də-, § \ -əs BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012