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Definitions

amphibian

[am-fib-ee-uhn] / æmˈfɪb i ən /
NOUN
cold-blooded vertebrate
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A 2023 analysis of roughly 8,000 amphibian species found that two out of five are threatened with extinction, making amphibians the most endangered group of vertebrates.

From Science Daily • Mar. 9, 2026

Additional amphibian fossils from the Age of Dinosaurs can be seen at the Swedish Museum of Natural History.

From Science Daily • Feb. 25, 2026

But the relative lack of rain this spring and summer could lead to lower insect and amphibian numbers next year since eggs may not be laid and wetland areas are drying up.

From BBC • Jul. 25, 2025

Among these is the wood frog, a Canadian amphibian that freezes solid for eight months of the year.

From Salon • Apr. 20, 2025

I make a drawing of the inside of the frog, with all its curlicues and bulbs, its tiny lungs, its cold-blooded amphibian heart.

From "Cat's Eye" by Margaret Atwood