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endotherm

American  
[en-duh-thurm] / ˈɛn dəˌθɜrm /

noun

  1. a warm-blooded animal.


endotherm Scientific  
/ ĕndə-thûrm′ /
  1. A warm-blooded organism.

  2. Also called homeotherm


Etymology

Origin of endotherm

First recorded in 1945–50; endo- + -therm

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.

Scientists expect endotherm animals -- animals that can regulate their own body temperature, like mammals -- to be able to protect themselves against fluctuating temperatures because they can maintain a constant body temperature.

From Science Daily • Nov. 29, 2024

We believe changing environments in the deep past was a major contributor to the megalodon's extinction, as we think it could no longer meet the energetic demands of being a large regional endotherm.

From Science Daily • Nov. 7, 2023

One disadvantage of being an endotherm is that it takes a lot of energy to keep your body temperature steady regardless of the environment.

From Washington Post • Nov. 27, 2015

"Doesn't that suggest that there's an adaptive value in being either a good ectotherm or a good endotherm, but not in the middle?"

From BBC • Jun. 12, 2014

An animal that maintains a constant body temperature in the face of environmental changes is called an endotherm.

From Textbooks • Apr. 25, 2013

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