Relating to or affecting both ears; having or using two ears or ear-like structures.
From 'bi-' (two) + Latin 'auricula' (small ear, or the external ear) + '-ar' (adjective suffix). The word developed in medical and anatomical terminology to describe conditions or features involving both ear structures.
Binauricular is the anatomically precise term that doctors use when they want to say something affects both ears—it's more specific than 'binaural' because it actually references the ear structures themselves. Infections that are binauricular (in both ears) are more serious than one-sided ones because they suggest a deeper systemic problem.
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