adjective \ˈbrd-ˌband\

Definition of BROADBAND

:  operating at, responsive to, or comprising a wide band of frequencies <a broadband radio antenna>
:  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)
broadband noun

First Known Use of BROADBAND



noun    (Concise Encyclopedia)

Term describing the radiation from a source that produces a broad, continuous spectrum of frequencies (contrasted with a laser, which produces a single frequency or very narrow range of frequencies). A typical broadband-light source that can be used for either emission or absorption spectroscopy is a metal filament heated to a high temperature, such as a tungsten lightbulb. Sunlight is also broadband radiation. See also broadband technology.


Next Word in the Dictionary: broad–base terrace
Previous Word in the Dictionary: broadax
All Words Near: broadband

Seen & Heard

What made you want to look up broadband? Please tell us where you read or heard it (including the quote, if possible).