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adjective de·mer·sal \di-ˈmər-səl\

Definition of demersal

  1. :  living near, deposited on, or sinking to the bottom of the sea <demersal fish eggs>

Origin and Etymology of demersal

Latin demersus (past participle of demergere to sink, from de- + mergere to dip, sink) + English 1-al — more at merge

First Known Use: 1889

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