"deprecated hybrid for one-eared (q.v.) or single eared; properly, either uniaural (in contradistinction to binaural, for hearing); or platyphonic - or at worst, monophonic - (in contradistinction to stereophonic, for reproduction)." 
- . Glossarial Index. Acoustic Behavior of Animals. Acoustic Behavior of Animals. Elsevier; 1963.
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