From Longman Dictionary of Contemporary Englishamphibianam‧phib‧i‧an /æmˈfɪbiən/ noun [countable] HBAan animal such as a frog that can live both on land and in water
Examples from the Corpus
amphibian• Members of this group are chiefly external parasites of turtles, fishes, and amphibians.• Plants and many insects and amphibians have an additional method: chemical defense.• The reptiles and amphibians of the world began a general withdrawal from existence many, millions of years ago.• They can decimate the population of these baby amphibians in a pond system.• The only other vertebrate animals to show an efficient form of self-mutilation are certain amphibians, especially salamanders.• In most vertebrates in which they have been intensively studied - amphibians and birds - gastrulation movements are rather complicated.• Radial cleavage is clear and straight forward and occurs in sea-urchins, amphibians, and some invertebrates.• Nobody knows why, any more than anyone knows why amphibians are disappearing, dolphins are dying or coral is turning white. 