alternation of generations

noun phrase

Definition of alternation of generations

: the occurrence of two or more forms differently produced in the life cycle of a plant or animal usually involving the regular alternation of a sexual with an asexual generation

First Known Use of alternation of generations

1813, in the meaning defined above

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The first known use of alternation of generations was in 1813

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Cite this Entry

“Alternation of generations.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alternation%20of%20generations. Accessed 17 May. 2021.

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More Definitions for alternation of generations

alternation of generations

noun
al·​ter·​na·​tion of generations | \ ˌȯl-tər-ˈnā-shən also ˌal- \

Medical Definition of alternation of generations

: the occurrence of two or more forms differently produced in the life cycle of a plant or animal usually involving the regular alternation of a sexual with an asexual generation but not infrequently consisting of alternation of a dioecious generation with one or more parthenogenetic generations

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