stereo

nouns

reproducer in which two microphones feed two or more loudspeakers to give a three-dimensional effect to the sound
stereo, stereo system, stereophonic system, stereophony
two photographs taken from slightly different angles that appear three-dimensional when viewed together
stereo, stereoscopic photograph, stereoscopic picture

adjectives

designating sound transmission from two sources through two channels
stereo, stereophonic, two-channel