Amphibian meaning

ăm-fĭb'ē-ən
The definition of an amphibian is a cold-blooded animal which can live on land or in water and who breathes with gills when young and with lungs as an adult.

A frog is an example of an amphibian.

noun
14
2
Any of various cold-blooded, usually smooth-skinned vertebrates of the class Amphibia, characteristically hatching as an aquatic larva with gills and then transforming into an adult having air-breathing lungs. Frogs, toads, salamanders, and caecilians are amphibians.
noun
9
3
An animal capable of living both on land and in water.
noun
7
2
An aircraft that can take off and land on either land or water.
noun
4
3
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.
noun
2
2
Advertisement
Any amphibious animal or plant.
noun
0
0
Any aircraft that can take off from and come down on either land or water.
noun
0
0
A tank or other vehicle that can travel on either land or water.
noun
0
0
adjective
0
0
Any of various cold-blooded, usually smooth-skinned vertebrates of the class Amphibia, characteristically hatching as an aquatic larva with gills and then transforming into an adult having air-breathing lungs. Frogs, toads, salamanders, and caecilians are amphibians.
noun
0
0
Advertisement
A cold-blooded, smooth-skinned vertebrate of the class Amphibia. Amphibians hatch as aquatic larvae with gills and, in most species, then undergo metamorphosis into four-legged terrestrial adults with lungs for breathing air. The eggs of amphibians are fertilized externally and lack an amnion. Amphibians evolved from lobe-finned fish during the late Devonian Period and include frogs, toads, newts, salamanders, and caecilians.
0
0
Pertaining to the Amphibia.
adjective
0
0
An animal of the Amphibia; any four-legged vertebrate that does not have amniotic eggs, living both on land and in water.
noun
0
0
A vehicle which can operate on land and water.
noun
0
0
Of or relating to the amphibians Amphibia.
adjective
0
0
Advertisement
Capable of operating on both land and water amphibious.
adjective
0
0
A tracked or wheeled vehicle that can operate both on land and in water.
noun
0
1
Of amphibians.
adjective
0
1

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