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 In addition to its role in supporting the immune system, zinc is required for the activity of more than 300 enzymes that aid with healthy digestion, nerve function, and metabolism. Cynthia Sass, Rd, Health.com, "Zinc Supplements: What to Know if You're Thinking of Taking Them," 24 June 2020 The urban heat island in the Phoenix metro area also affects the saguaro’s metabolism, Hultine said. Debra Utacia Krol, azcentral, "Will the iconic saguaro cactus start to disappear from parts of the Southwest?," 18 June 2020 But the gene appeared to serve as a landmark that could steer researchers to relevant metabolism-lowering neurons. Simon Makin, Scientific American, "Switch in Mouse Brain Induces a Deep Slumber Similar to Hibernation," 15 June 2020 Sleep loss does alter metabolism in humans — there are connections to diabetes and metabolic syndrome — but public health researchers are often the only ones who concern themselves with it. Quanta Magazine, "Why Sleep Deprivation Kills," 4 June 2020 In Santa Barbara, California, a company called Apeel has devised a high-tech edible coating that slows the metabolism, and thus the decay, of fruits and vegetables. Nicola Twilley, Wired, "A One-Time Poultry Farmer Invents the Future of Refrigeration," 1 Apr. 2020 The muscles' metabolism must be able to support them throughout their long, sustained activities. Joshua Selsby, CNN, "White meat, or dark meat? The science behind a delicious debate," 27 Nov. 2019 Like your thumbprint, your metabolism is unique to you based on your genetics, lifestyle, dietary history, and general health and fitness levels. Get-fit Guy Brock Armstrong, Scientific American, "What Is Metabolic Profiling, and Can It Help You?," 7 Aug. 2019 Protein helps preserve muscle mass as we age, which helps keep metabolism running at full speed. Lisa Drayer, CNN, "How to use Adele's birthday picture as inspiration instead of frustration," 6 May 2020

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

metabol(ic) + -ism, after French métabolisme or German Metabolismus

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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

28 Jun 2020

Cite this Entry

“Metabolism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metabolism. Accessed 10 Jul. 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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