adjective dip·no·ous \ˈdipnəwəs\

Definition of dipnoous

  1. 1 :  having both lungs and gills

  2. 2 :  dipnoan

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Origin and Etymology of dipnoous

New Latin dipnous having two apertures for breathing, from Greek dipnoos, from di- + -pnoos (from pnoē breath, from pnein to breathe)

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a trip made at another's expense

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