life cycle


Definition of life cycle

1 : the series of stages in form and functional activity through which an organism passes between successive recurrences of a specified primary stage
3 : a series of stages through which something (such as an individual, culture, or manufactured product) passes during its lifetime

Examples of life cycle in a Sentence

the life cycle of a shark
Recent Examples on the Web In fact, the entire mosquito life cycle can be completed in 10 days under favorable conditions. Arricca Elin Sansone, House Beautiful, 25 May 2021 Maverick founder Lee Ainslie on an investor call in May said the firm’s new late-stage growth fund, expected to raise $500 million, would help enable Maverick to invest in a company throughout its life cycle. Juliet Chung, WSJ, 19 May 2021 Academic estimates of the carbon footprint of plastics have indicated the whole life cycle of single-use plastics accounted for about 1.5% of global greenhouse gas emissions in 2019, with polymers the main contributor, the report authors said. Story From Reuters, CNN, 18 May 2021 The life cycle of a fleeting moment appeared complete. Michael Casagrande |, al, 8 May 2021 Once the major peaks and troughs of the project life cycle have been navigated, organizations can reconsider whether longer-term roles should be brought in-house. Matthew Ainsworth, Forbes, 5 May 2021 The life cycle of a periodical cicada is unlike any other. London Gibson, The Indianapolis Star, 12 Apr. 2021 The life cycle of a pot of coffee was the smell of her mother’s apartment. Cynthia D'aprix Sweeney, Harper's BAZAAR, 1 Apr. 2021 But our understanding of the deep-sea trematode’s life cycle ends with the zoarcid. Sabrina Imbler, The Atlantic, 16 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'life cycle.' 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 life cycle

1855, in the meaning defined at sense 1

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Time Traveler for life cycle

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The first known use of life cycle was in 1855

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Last Updated

10 Jun 2021

Cite this Entry

“Life cycle.” Dictionary, Merriam-Webster, Accessed 17 Jun. 2021.

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More Definitions for life cycle

life cycle


English Language Learners Definition of life cycle

biology : the series of stages through which a living thing passes from the beginning of its life until its death

life cycle


Medical Definition of life cycle

1 : the series of stages in form and functional activity through which an organism passes between successive recurrences of a specified primary stage

More from Merriam-Webster on life cycle Encyclopedia article about life cycle


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