A high-speed train.
high-speed definition by American Heritage Dictionary
- Operated or designed for operation at high speed: a high-speed food processor.
- Taking place at high speed: a high-speed chase.
- Having a speed of 50-500 frames per second, as movie film, to record events that occur too rapidly for usual photography.
high-speed - Computer Definition
The United States Federal Communications Commission (FCC) defines high speed services as supporting a data rate of at least 200 kbps in at least one direction and advanced telecommunications capability as at least 200 kbps in both directions. See also broadband and FCC.