Stereo
Definition 1 of 2
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Context Usage
Stereo often refers to any audio system in casual conversation, not just two-speaker setups. Check out my new stereo, it has amazing sound quality!
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Technical Precision
When speaking about audio equipment, 'stereo' specifically means two-channel sound systems. This stereo has a left and a right channel for immersive audio.
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Evolution
'Stereo' once implied high-tech, but now it's just a standard way of playing sound. Everyone has a stereo; it's no longer a luxury item.