ho·​meo·​sta·​sis | \ ˌhō-mē-ō-ˈstā-səs How to pronounce homeostasis (audio) \

Definition of homeostasis

: a relatively stable state of equilibrium or a tendency toward such a state between the different but interdependent elements or groups of elements of an organism, population, or group striving to achieve homeostasis

Keep scrolling for more

Other Words from homeostasis

homeostatic \ ˌhō-​mē-​ō-​ˈsta-​tik How to pronounce homeostasis (audio) \ adjective

Examples of homeostasis in a Sentence

Recent Examples on the Web Likewise, healthy sleep habits that foster physical homeostasis and more efficient immune system functioning also significantly reduce our risk for depression, anxiety and bipolar illness. Jessica L. Borelli, Scientific American, "The Pandemic Doesn't Mean We Have to Choose between Physical and Mental Health," 7 Apr. 2021 Deep inside a cave of bats, Zimmer discovers yet another defining feature of life: homeostasis, the maintenance of constancy. New York Times, "What Does It Mean to Be a Living Thing?," 24 Mar. 2021 Finding a place of homeostasis in your external life can create an optimal environment for growth and productivity. Serena Poon, Forbes, "Leveraging Mindful Practices To Maximize Productivity," 18 Mar. 2021 His laboratory focuses on the role that microbial communities play in human homeostasis, health and disease. David Pride, Scientific American, "Viruses Can Help Us as Well as Harm Us," 7 Dec. 2020 After a few months, people's bodies naturally adapt to the status quo, a state of internal stability that biologists call homeostasis. Ryan Prior, CNN, "How to find resilience during the coronavirus pandemic," 2 July 2020 This diurnal feedback loop is the crux of homeostasis, or biological equilibrium, but all musicians know what can happen when the conductor of the orchestra misses a beat. New York Times, "Circadian Rhythms: The Conductor of Our Body’s Symphony," 7 May 2020 Anxiety is our body’s way of maintaining homeostasis and safety and protection. Jeff Forward, Houston Chronicle, "Villager Q&A: Local mental health expert explains anxiety and how to monitor stress," 9 Apr. 2020 Indeed, one of the survival traits of human beings is psychological homeostasis, or the tendency to get used to circumstances quickly, both good and bad. Arthur C. Brooks, The Atlantic, "The Three Equations for a Happy Life," 9 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'homeostasis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of homeostasis

1926, in the meaning defined above

History and Etymology for homeostasis

New Latin

Keep scrolling for more

Learn More about homeostasis

Time Traveler for homeostasis

Time Traveler

The first known use of homeostasis was in 1926

See more words from the same year

Statistics for homeostasis

Last Updated

12 May 2021

Cite this Entry

“Homeostasis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/homeostasis. Accessed 18 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for homeostasis


variants: or British homoeostasis \ ˌhō-​mē-​ō-​ˈstā-​səs How to pronounce homeostasis (audio) \

Medical Definition of homeostasis

: the maintenance of relatively stable internal physiological conditions (as body temperature or the pH of blood) in higher animals under fluctuating environmental conditions also : the process of maintaining a stable psychological state in the individual under varying psychological pressures or stable social conditions in a group under varying social, environmental, or political factors

Other Words from homeostasis

homeostatic or British homoeostatic \ -​ˈstat-​ik How to pronounce homeostasis (audio) \ adjective
homeostatically or British homoeostatically \ -​i-​k(ə-​)lē How to pronounce homeostasis (audio) \ adjective

More from Merriam-Webster on homeostasis

Britannica.com: Encyclopedia article about homeostasis

Comments on homeostasis

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


Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Anagram puzzles meet word search.

Love words? Need even more definitions?

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