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British Dictionary definitions for cosmoid

cosmoid

adjective
  1. (of the scales of coelacanths and lungfish) consisting of two inner bony layers and an outer layer of cosmine
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Word Origin

C20: from cosm (ine) + -oid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012