bandwidthband·width /ˈbændwɪdθ/ noun [countableC usually singular]1COMPUTING a measurement of the amount of information that can be sent from one computer to another on the Internet in a particular length of timeGreater bandwidth capacity has increased take-up of interactive services such as home shopping and home banking.
2informal a measure of human intelligence, especially the ability of businesspeople to understand things quickly, to see how things are related etcMany of the individuals in this book possess super-high bandwidth, incredible mental ability.