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dipnoan

[ dip-noh-uhn ]

adjective

  1. belonging or pertaining to the order Dipnoi, comprising the lungfishes.


noun

  1. a dipnoan fish.

dipnoan

/ dɪpˈnəʊən /

adjective

  1. of, relating to, or belonging to the Dipnoi , a subclass of bony fishes comprising the lungfishes
“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


noun

  1. any lungfish
“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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Word History and Origins

Origin of dipnoan1

1880–85; < New Latin Dipno ( i ) name of the order, plural of dipnous < Greek dípnoos double-breathing ( di- di- 1 + -pnoos, derivative of pnoḗ breathing, breath, air, derivative of pneîn to breathe) + -an
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Word History and Origins

Origin of dipnoan1

C19: from New Latin Dipnoi, from Greek dipnoos, double-breathing, from di- 1+ pnoē breathing, air, from pnein to breathe
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Example Sentences

The name Dipnoan may, however, be retained as a vernacular equivalent of Dipneusti.

Structurally the amphibian heart closely resembles the dipnoan, though the increased size of the left auricle is an advance.

Interest notes on Dipnoan fin characters have been given by Traquair.

In every modern Dipnoan, Crossopterygian, and Ganoid the air-bladder has an effective pneumatic duct.

It is not unlikely that the Crossopterygian gave rise to Amphibian and Dipnoan alike.

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