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amphibian

amphibian

21 4.4
A cold-blooded animal that lives on land and in water, like a frog
  • noun
  • /æmˈfɪbiən/
translation icon : anfibio
  • Many species of amphibians are facing extinction due to habitat loss and pollution.
  • amphibian species
  • threatened amphibians
  • global decline in amphibians

And they're talking, of course, about mammals and birds, even amphibians and reptiles.

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Examples

  • In biology class, we learned that an amphibian undergoes metamorphosis from a tadpole to an adult.

  • Unlike many other amphibians, which transform into terrestrial adults, axolotls retain their juvenile characteristics and never leave the water.

  • - Here is a prime example of the amphibian family, the frog.

  • Sometimes, while conducting field research on amphibians, my hearing has played tricks on me.

    Academic text (1998)
  • Amphibians gave way to reptiles... who ruled the earth for millions of years.

  • John C. Murphy retired from a teaching career to focus on amphibians, reptiles, and photography.

    Blog text (21)
  • Frogs, salamanders, snakes, turtles, lizards, and other amphibians and reptiles, plus diverse insects, are among the Green Wedge's wild inhabitants.

    Academic text (2003)
  • The frog is a well-known amphibian that can live both in water and on land.

How Aquatic

aquatic
1 4.3
amphibian
21 4.4
terrestrial
4 4.0

Surface Forms

amphibian singular
amphibians plural

Morphology

amphibian = amphibious (semi-transparent) = amphib + an

Formally related to 'amphibious' via a standard adjectival/noun suffix '-an', but the Greek combining element 'amphib-' ('both' + 'life') is not familiar to many learners.

Etymology

Amphibian comes from Greek parts amphi- meaning 'both' and bio meaning 'life', as in biology. So an amphibian is an animal that lives 'both' in water and on land.