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life cycle

/ˈlaɪf ˌsaɪ.kəl/noun

life cycle is a noun meaning “The course of stages through which an organism passes from fertilized zygote until maturity, reproduction, and death” (English Wiktionary, September 2026). It is spelled L-I-F-E-C-Y-C-L-E. The plural of life cycle is life cycles or life-cycles.

What does life cycle mean?

noun

  1. 1

    The course of stages through which an organism passes from fertilized zygote until maturity, reproduction, and death.

    Meronym: life forms

  2. 2

    The useful life of a product or system; the developmental history of an individual or group in society.

noun

as life-cycle
  1. 1

    Alternative form of life cycle.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce life cycle?

  • /ˈlaɪf ˌsaɪ.kəl/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-life_cycle.wav, Wikimedia Commons (author and licence on each file's page).

Forms of life cycle

  • life cycles plural
  • lifecycle
  • life-cycles plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Words people confuse with life cycle

Also written: lifecycle (one word or two).

Sources: English Wiktionary (homophones, alternative spellings).

Life cycle in Spanish, French, German and Portuguese

In the sense course of stages through which an organism passes:

LanguageWords
Frenchcycle de vie
GermanLebenszyklus
Portugueseciclo de vida
Spanishciclo de vida, ciclo vital

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does life cycle come from?

From life + cycle.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).