ceruminolytic

One of several substances instilled into the external auditory canal to soften wax. [cerumen, + G. lysis, a loosening]

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ce·ru·mi·no·ly·tic (sə-roo″mĭ-no-litґik) 1. pertaining to, characterized by, or promoting ceruminolysis. 2. an agent that dissolves cerumen in the external auditory canal.