STEREOPHONIES
Scrabble letter values: S1T1E1R1E1O1P3H4O1N1I1E1S1 = 18
Definition
STEREOPHONIES is the plural of STEREOPHONY.
noun STEREOPHONY: reproducer in which two microphones feed two or more loudspeakers to give a three-dimensional effect to the sound.
Synonyms of STEREOPHONY: stereo, stereo_system, stereophonic_system