|sterēə, |stir-+ adjective
Etymology: International Scientific Vocabulary stere- + phonic
: giving, relating to, or constituting a three-dimensional effect of auditory perspective
sound heard by both ears at once or reproduced through loudspeakers placed in different parts of an auditorium has a stereophonic quality
the objective of stereophonic sound reproduction is to make clear to the listener the spatial aspects of the sound — Charles Fowler
— compare monophonic
• stere·oph·o·ny ˌ ̷ ̷ ̷ ̷ˈäfənē, ˈ ̷ ̷ ̷ ̷_əˌfōnē noun -es