metabolism

noun
me·​tab·​o·​lism | \ mə-ˈta-bə-ˌli-zəm How to pronounce metabolism (audio) \

Definition of metabolism

1a : the sum of the processes in the buildup and destruction of protoplasm specifically : the chemical changes in living cells by which energy is provided for vital processes and activities and new material is assimilated (see assimilate entry 1 sense 1b) Regular exercise can help to increase your metabolism.
b : the sum of the processes by which a particular substance is handled in the living body
c : the sum of the metabolic activities taking place in a particular environment the metabolism of a lake
2 : metamorphosis sense 2 usually used in combinationholometabolism

Examples of metabolism in a Sentence

studying the metabolisms of various organisms
Recent Examples on the Web This product is proven to double the quality of deep, restorative sleep needed to aid DNA repair, improve your metabolism, improve stress management, sharpen decision making and overall mind and body wellness. Kimberly Wilson, Essence, "These Gadgets Will Help You Accomplish Your New Year's Resolutions," 31 Dec. 2019 Supposedly, endomorphs have slower metabolisms, and their bodies are more likely to convert excess calories to fat. Claire Gillespie, Health.com, "10 Top Trending Diets of 2019, According to Google," 10 Dec. 2019 Several genes seem to enhance their metabolism, allowing them to process carbohydrates faster for more energy during extended periods of hunting and fighting. Kelly Mayes, Science | AAAS, "How Komodo dragons survive deadly bites from other Komodos," 29 July 2019 The changes altered the Halomonas' metabolism, which in turn allowed for the creation of compounds that could become cost-effective, renewable alternatives to crude oil. David Grossman, Popular Mechanics, "The Navy Is Trying to Turn Bacteria Into Jet Fuel," 21 Oct. 2019 Birbeck points out that even if most patients won’t be treated with tPA or surgery, their potential availability will speed up the metabolism of stroke care for everyone. Oliver Staley, Quartz Africa, "Zambia has 17 million people, a stroke epidemic, and no neurologists," 30 Dec. 2019 Beyond the sleepless nights and daytime fatigue, experts say critical processes including heart function and metabolism are upset when the body clock gets disrupted. Los Angeles Times, "I took the world’s first 20-hour flight. Here’s what it did to me," 19 Oct. 2019 Mammallike reptiles that lived 300 million years ago turned up as barely warm-blooded, and quadripedal dinosaurs such as Triceratops appeared to have even slower metabolisms. Gretchen Vogel, Science | AAAS, "Warm-blooded velociraptors? Fossilized proteins unravel dinosaur mysteries," 8 Oct. 2019 Sufferers are often white, postmenopausal women, and those with anxiety or depression may be particularly at risk, as medications to treat these conditions alter the metabolism of adrenaline. Jessica Migala, Health.com, "Women Diagnosed With Broken Heart Syndrome After Mistaking Wasabi for Avocado—Here's What That Means," 25 Sep. 2019

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

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First Known Use of metabolism

1878, in the meaning defined at sense 1a

History and Etymology for metabolism

International Scientific Vocabulary, from Greek metabolē change, from metaballein to change, from meta- + ballein to throw — more at devil

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Time Traveler for metabolism

Time Traveler

The first known use of metabolism was in 1878

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Statistics for metabolism

Last Updated

3 Feb 2020

Cite this Entry

“Metabolism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metabolism. Accessed 28 Feb. 2020.

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More Definitions for metabolism

metabolism

noun
How to pronounce metabolism (audio)

English Language Learners Definition of metabolism

biology : the chemical processes by which a plant or an animal uses food, water, etc., to grow and heal and to make energy

metabolism

noun
me·​tab·​o·​lism | \ mə-ˈta-bə-ˌli-zəm How to pronounce metabolism (audio) \

Kids Definition of metabolism

: the processes by which a living organism uses food to obtain energy and build tissue and disposes of waste material

metabolism

noun
me·​tab·​o·​lism | \ mə-ˈtab-ə-ˌliz-əm How to pronounce metabolism (audio) \

Medical Definition of metabolism

1a : the sum of the processes in the buildup and destruction of protoplasm specifically : the chemical changes in living cells by which energy is provided for vital processes and activities and new material is assimilated methods of determining body and tissue metabolismBulletin of the University of Kentucky — see anabolism, catabolism
b : the sum of the processes by which a particular substance is handled (as by assimilation and incorporation or by detoxification and excretion) in the living body the metabolism of iodine in the thyroid
2 : metamorphosis sense 2 usually used in combination holometabolism

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More from Merriam-Webster on metabolism

Rhyming Dictionary: Words that rhyme with metabolism

Spanish Central: Translation of metabolism

Nglish: Translation of metabolism for Spanish Speakers

Britannica English: Translation of metabolism for Arabic Speakers

Britannica.com: Encyclopedia article about metabolism

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