dipnoan

[dip-noh-uh n]

adjective

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

noun

a dipnoan fish.

Origin of dipnoan

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dipnoan

Historical Examples of dipnoan

Interest notes on Dipnoan fin characters have been given by Traquair.
A Guide to the Study of Fishes, Volume 1 (of 2)
David Starr Jordan
In every modern Dipnoan, Crossopterygian, and Ganoid the air-bladder has an effective pneumatic duct.
A Guide to the Study of Fishes, Volume 1 (of 2)
David Starr Jordan
It is not unlikely that the Crossopterygian gave rise to Amphibian and Dipnoan alike.
A Guide to the Study of Fishes, Volume 1 (of 2)
David Starr Jordan
In the archaic tail, enameled scales, and cartilaginous skeleton the Crossopterygian shows its affinity with its Dipnoan ancestry.
A Guide to the Study of Fishes, Volume 1 (of 2)
David Starr Jordan
The dipnoan and ganoid traits one by one are more or less completely lost.
A Guide to the Study of Fishes, Volume 1 (of 2)
David Starr Jordan

British Dictionary definitions for dipnoan

dipnoan

adjective

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

noun

any lungfish

Word Origin for dipnoan

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

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