clade

noun

: a group of biological taxa (such as species) that includes all descendants of one common ancestor

Examples of clade in a Sentence

Recent Examples on the Web
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Filling in fossil record gaps The model suggested that, during the 18 million-year time period in question, the proportion of land the four dinosaur clades likely occupied remained constant overall, suggesting their potential habitat area remained stable, and the risk of extinction stayed low. Katie Hunt, CNN Money, 11 Apr. 2025 The researchers then estimated the likelihood of each of the dinosaur clades occupying the different grid cells at four time points within the final 18 million years of the Cretaceous period. Rosie McCall, Discover Magazine, 8 Apr. 2025 Only in animal studies has clade I been conclusively shown to be more lethal than clade II, but that does not necessarily translate to humans, Liesenborghs cautions. Bykai Kupferschmidt, science.org, 24 Aug. 2024 However, the new strain, clade I, is endemic to Central Africa and has proven more virulent and deadly than the clade II strain. Ivana Saric, Axios, 16 Aug. 2024 See All Example Sentences for clade

Word History

Etymology

borrowed from Greek kládos "branch, sprig, frond," after cladogenesis — more at clado-

Note: The term was introduced by Julian huxley in "The Three Types of Evolutionary Process," Nature, vol. 180, no. 4584 (September 7, 1957), p. 455.

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of clade was in 1911

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Cite this Entry

“Clade.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clade. Accessed 21 Jul. 2025.

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