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.
The facility will work across the battery life cycle, from raw materials and vehicle applications to recycling. — Neetika Walter, Interesting Engineering, 3 Oct. 2026 RatHat launches a separate native service outside the normal app life cycle. — Kurt Knutsson, FOXNews.com, 2 Oct. 2026 In fact, many of these events are a natural part of an ice shelf's life cycle rather than the result of climate change or human activity. — Emma Gometz, Scientific American, 2 Oct. 2026 Using community science, participants will find out ways to contribute to monarch conservation, learning about their ecology, life cycle, migration, habitat and more. — Pedro Moura, Los Angeles Times, 1 Oct. 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

Browse Nearby Words

Cite this Entry

“Life cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/life%20cycle. Accessed 7 Oct. 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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