life cycle

noun

1
: the series of stages in form and functional activity through which an organism passes between successive recurrences of a specified primary stage
2
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Preservation, restoration and storage are increasingly viewed as part of the entire luxury life cycle experience, particularly as resale values become an important consideration at the original purchase stage. Rhonda Richford, Footwear News, 2 July 2026 Product genealogy will expand into life cycle intelligence as field performance data flows back into engineering and manufacturing. John Clemons, Forbes.com, 2 July 2026 The Fish and Wildlife Service says habitat alteration has reduced its range and abundance, because the butterflies need specific food plants and places to live and grow during critical stages of their life cycle. Madeline Bartos, CBS News, 30 June 2026 The annual variety, also known as firewheel and sundance, finishes its life cycle in one growing season but its seeds germinate easily. Karen Brewer Grossman, Southern Living, 29 June 2026 See All Example Sentences for life cycle

Word History

First Known Use

1855, in the meaning defined at sense 1

Time Traveler
The first known use of life cycle was in 1855

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Cite this Entry

“Life cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/life%20cycle. Accessed 6 Jul. 2026.

Kids Definition

life cycle

noun
1
: the series of stages of form and activity through which a living thing passes from a beginning stage (as an egg) in one individual to the same stage in its offspring
2

Medical Definition

life cycle

noun
1
: the series of stages in form and functional activity through which an organism passes between successive recurrences of a specified primary stage
2

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