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Definition of marine iguana

marine iguana

Plural:marine iguanas
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• noun

1

A large species of iguana (Amblyrhynchus cristatus) native exclusively to the Galápagos Islands, distinguished by its unique ability among modern lizards to forage in the ocean for marine algae.

Example

"After diving for algae in the cold ocean waters, the marine iguana must bask on the dark volcanic rocks to raise its body temperature."

• Nearby Words

marinate
marination
marine
marine iguana
mariner
marionberry
marionette

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Marine iguana. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/marine-iguana
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