external respiration

noun

Definition of external respiration

: exchange of gases between the external environment and a distributing system of the animal body (such as the lungs of higher vertebrates or the tracheal tubes of insects) or between the alveoli of the lungs and the blood — compare internal respiration

First Known Use of external respiration

1940, in the meaning defined above

Keep scrolling for more

Learn More about external respiration

Time Traveler for external respiration

Time Traveler

The first known use of external respiration was in 1940

See more words from the same year

Statistics for external respiration

Cite this Entry

“External respiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/external%20respiration. Accessed 24 Jan. 2021.

Keep scrolling for more

More Definitions for external respiration

external respiration

noun

Medical Definition of external respiration

: exchange of gases between the external environment and a distributing system of the animal body (as the lungs of higher vertebrates or the tracheal tubes of insects) or between the alveoli of the lungs and the blood — compare internal respiration

Comments on external respiration

What made you want to look up external respiration? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!