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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 Dipnoi
 肺魚目; 肺魚亞綱

From: Webster's Revised Unabridged Dictionary (1913)

 Dip·no·i n. pl.  Zool. 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.
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From: WordNet (r) 2.0

 Dipnoi
      n : bony fishes of the southern hemisphere that breathe by a
          modified air bladder as well as gills; sometimes
          classified as an order of Crossopterygii [syn: subclass
           Dipnoi]