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dipnoan

American

[dip-noh-uhn] / ˈdɪp noʊ ən /

adjective

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

noun

a dipnoan fish.

dipnoan British

/ dɪpˈnəʊən /

adjective

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

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

Etymology

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

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dipnoan

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

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023