plural noun
am·​phib·​ia | \ am-ˈfi-bē-ə How to pronounce amphibia (audio) \

Definition of amphibia

First Known Use of amphibia

1607, in the meaning defined above

Keep scrolling for more

Learn More about amphibia

Time Traveler for amphibia

Time Traveler

The first known use of amphibia was in 1607

See more words from the same year

Statistics for amphibia

Cite this Entry

“Amphibia.” The Dictionary, Merriam-Webster Inc., Accessed 27 January 2020.

Keep scrolling for more

More Definitions for amphibia


noun plural
Am·​phib·​ia | \ am-ˈfib-ē-ə How to pronounce Amphibia (audio) \

Medical Definition of Amphibia

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

Other Words from amphibia

amphibian \ -​ē-​ən How to pronounce amphibian (audio) \ noun or adjective

Comments on amphibia

What made you want to look up amphibia? Please tell us where you read or heard it (including the quote, if possible).


one that suddenly gains wealth or power

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!