adjective Date: 1956 operating at, responsive to, or comprising a wide band of frequencies , of, relating to, or being a high-speed communications network and especially one in which a frequency range is divided into multiple independent channels for simultaneous transmission of signals (as voice, data, or video), ~ noun
BROADBAND
Meaning of BROADBAND in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012