eukaryote

noun
eu·​kary·​ote | \ (ˌ)yü-ˈker-ē-ˌōt How to pronounce eukaryote (audio) , -ət How to pronounce eukaryote (audio) , -ˈka-rē- \
variants: or less commonly

Definition of eukaryote

: any of a domain (Eukarya) or a higher taxonomic group (Eukaryota) above the kingdom that includes organisms composed of one or more cells containing visibly evident nuclei and organelles — compare archaea, bacterium, prokaryote

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Examples of eukaryote in a Sentence

Recent Examples on the Web Evolutionary biologists have long puzzled over how eukaryotes could have evolved from such simple precursors. Carl Zimmer, New York Times, "This Strange Microbe May Mark One of Life’s Great Leaps," 15 Jan. 2020 The fragments contained genes from a species of archaea that seemed to be closely related to eukaryotes. Carl Zimmer, New York Times, "This Strange Microbe May Mark One of Life’s Great Leaps," 15 Jan. 2020 In contrast to eukaryotes, which all have a suite of organelles in common, different groups of prokaryotes showcase their own specialized compartments. Quanta Magazine, "Bacterial Complexity Revises Ideas About ‘Which Came First?’," 27 Aug. 2019 Currently, all life is divided into either bacteria, archaea, or eukaryote (complex life), but the discovery of the Asgard archaea suggests that archaea and eukaryotes could be lumped into one group. Danielle Hall, Smithsonian, "Eighteen Things We’ve Learned About the Oceans in the Last Decade," 20 Apr. 2010 Researchers call this type of evolutionary merger between two eukaryotes a secondary endosymbiosis. Viviane Callier, Smithsonian, "This Type of Algae Absorbs More Light for Photosynthesis Than Other Plants," 23 Oct. 2019 But new geological evidence uncovered by scientists at McGill University in Montreal has found that glacial meltwater provided a crucial lifeline at the time tomicroscopic organisms known as eukaryotes. Katie Hunt, CNN, "How life survived Snowball Earth, the planet's most severe ice age," 3 Dec. 2019 But that wasn’t complete either, and scientists made a third domain in addition to eukaryotes and prokaryotes: the archaea. Caroline Delbert, Popular Mechanics, "Scientists Are Fighting Over One of the Hottest Places on Earth," 15 Nov. 2019 Those components, or organelles, characterize cells of the third branch, the eukaryotes. Elizabeth Pennisi, Science | AAAS, "Tentacled microbe could be missing link between simple cells and complex life," 8 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'eukaryote.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of eukaryote

1943, in the meaning defined above

History and Etymology for eukaryote

New Latin Eukaryotes, proposed subdivision of protists, from eu- + kary- + -otes, plural noun suffix, from Greek -ōtos — more at -otic

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The first known use of eukaryote was in 1943

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Cite this Entry

“Eukaryote.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eukaryote. Accessed 26 Nov. 2020.

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More Definitions for eukaryote

eukaryote

noun
eu·​kary·​ote
variants: also eucaryote \ (ˈ)yü-​ˈkar-​ē-​ˌōt How to pronounce eucaryote (audio) , -​ē-​ət How to pronounce eucaryote (audio) \

Medical Definition of eukaryote

: any of a domain (Eukarya) or a higher taxonomic group (Eukaryota) above the kingdom that includes organisms composed of one or more cells containing visibly evident nuclei and organelles — compare prokaryote

Other Words from eukaryote

eukaryotic also eucaryotic \ -​ˌkar-​ē-​ˈät-​ik How to pronounce eucaryotic (audio) \ adjective

More from Merriam-Webster on eukaryote

Britannica.com: Encyclopedia article about eukaryote

Comments on eukaryote

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