SIGNAL-TO-NOISE Meaning of SIGNAL-TO-NOISE in English signal-to-noise BrE AmE ˌsɪɡ n ə l tə ˈnɔɪz▶ ˌ signal-to- ˈ noise ˌ ratio BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012