Amphibian Definition

ăm-fĭbē-ən
amphibians
noun
amphibians
Any of a class (Amphibia) of coldblooded, scaleless vertebrates, consisting of frogs, toads, newts, salamanders, and caecilians, that usually begin life in the water as tadpoles with gills and later develop lungs.
Webster's New World
An animal capable of living both on land and in water.
American Heritage
Any amphibious animal or plant.
Webster's New World
An aircraft that can take off and land on either land or water.
American Heritage
Any aircraft that can take off from and come down on either land or water.
Webster's New World
Synonyms:
adjective
Of amphibians.
Webster's New World
Webster's New World

Pertaining to the Amphibia.

Wiktionary

Of or relating to the amphibians Amphibia.

Wiktionary

Capable of operating on both land and water amphibious.

Wiktionary

Other Word Forms of Amphibian

Noun

Singular:
amphibian
Plural:
amphibia, amphibians

Origin of Amphibian

  • From New Latin Amphibia class name from Greek neuter pl. of amphibios amphibious amphi- amphi- bios life gwei- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek ἀμφίβιον (amphibion), from ἀμφί (amphi, “of both kinds”) + βίος (bios, “life”)

    From Wiktionary

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amphibian