noun🔗ShareSous-porteusesA separate signal carried on a main radio transmission, often carrying additional information such as voice or data."The FM radio station uses subcarriers to broadcast traffic updates and weather information in addition to its regular music programming. "La station de radio FM utilise des sous-porteuses pour diffuser des mises à jour du trafic et des informations météorologiques en plus de sa programmation musicale régulière.technologyelectronicssignalcommunicationfrequencytechnicalChat with AIVocabulary GamePractice Reading