Dictionary Entries Near amphibia
Cite this Entry
“Amphibia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amphibia. Accessed 1 Dec. 2024.
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amphibia
plural noun
am·phib·ia
am-ˈfib-ē-ə 
Medical Definition
Amphibia
noun plural
Am·phib·ia
am-ˈfib-ē-ə
1
: a class of subphylum Vertebrata comprising forms (as the frogs, toads, newts, and salamanders) that are intermediate in many respects between fishes and reptiles, are cold-blooded with nucleated red blood cells and a 3-chambered heart, and that have gilled aquatic larvae and air-breathing adults
2
: the members of the class Amphibia
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