of various fishes that can respire by lungs as well as by gills
Origin of dipnoan; from Classical Greek dipnoos, double-breathed ; from di- + pno?, breath (see pneuma) + -an
a dipnoan fish
Origin of dipnoanFrom New Latin Dipno&imacron;, order name, from Greek dipnooi, pl. of dipnoos, having two apertures for breathing : di-, two; see di–1 + pno&emacron;, breath (from pnein, to breathe; see pneu- in Indo-European roots).