RIGOR Meaning of RIGOR in English rigor BrE AmE ˈrɪɡ ə AmE \ - ə r —but as a medical term, also ˈraɪɡ ɔː ‖ -ɔːr▷ rigor|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012