- 1(also stereo system) [countable] a machine that plays CDs, etc., sometimes with a radio, that has two separate speakers so that you hear different sounds from each a car/personal stereo Let's put some music on the stereo.
- 2[uncountable] the system for playing recorded music, speech, etc. in which the sound is directed through two channels to broadcast in stereo
stereo sound compare quadraphonic
stereo (formal stereophonic adjectivejump to other results
NAmE//ˌstɛriəˈfɑnɪk//) [only before noun]