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physoclistous

[fahy-suh-klis-tuh s]
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adjective Ichthyology.
  1. having the air bladder closed off from the mouth.
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Compare physostomous.

Origin of physoclistous

1885–90; < New Latin Physoclist(i) genus name (< Greek phȳso- physo- + kleistoí, plural of kleistós shut, verbid of kleíein to shut) + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for physoclistous

physoclistous

adjective
  1. (of fishes) having an air bladder that is not connected to the alimentary canalCompare physostomous
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Word Origin

C19: from Greek phusa bladder + -clistous, from kleistos closed
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