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physostomous

[fahy-sos-tuh-muh s] /faɪˈsɒs tə məs/
adjective, Ichthyology
1.
having the mouth and air bladder connected by an air duct.
Compare physoclistous.
Origin
1885-1890
1885-90; physo- + -stomous
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for physostomous

physostomous

/faɪˈsɒstəməs/
adjective
1.
(of fishes) having a duct connecting the air bladder to part of the alimentary canal Compare physoclistous
Word Origin
C19: from Greek phusa bladder + -stomous, from stoma mouth
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
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