CIRCUM- Meaning of CIRCUM- in English circum- combining form BrE AmE ¦sɜːk əm AmE ¦sɝːk əm▷ — circumlunar ˌsɜːk əm ˈluːn ə ◂ -ˈljuːn- AmE ˌsɝːk əm ˈluːn ə r ◂ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012