Definition of stereo- in English:

stereo-

Pronunciation /ˈsterēō/ /ˈstɛrioʊ/

  • 1Relating to solid forms having three dimensions.

    • ‘stereography’
    1. 1.1Relating to a three-dimensional effect, arrangement, etc.
      ‘stereochemistry’
      • ‘stereophonic’
      • ‘stereoscope’
      solid, concrete, having depth, sculptural, rounded

Origin

From Greek stereos ‘solid’.