DIPNOI

Dipnoi, subclass Dipnoi

(noun) bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii

Source: WordNet® 3.1


Dip"no*i, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Definition: A group of ganoid fishes, including the living genera Ceratodus and Lepidosiren, which present the closest approximation to the Amphibia. The air bladder acts as a lung, and the nostrils open inside the mouth. See Ceratodus, and Illustration in Appendix.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

27 May 2025

DIRECTIONALITY

(noun) the property of being directional or maintaining a direction; “the directionality of written English is from left to right”


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