: of, relating to, or being an organism (as of the domain Eukarya) composed of one or more cells containing visibly evident nuclei and organelles : being or characteristic of a eukaryote
eukaryotic cells
eukaryotic species

Examples of eukaryotic in a Sentence

Recent Examples on the Web
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Most eukaryotic organisms that have been studied with cell types similar to our own live at temperatures close to those of the human body, with an average of 95 degrees Fahrenheit (35 degrees Celsius). — Kristen Skruber, The Conversation, 29 Oct. 2026 That means these eukaryotic species have sustained their own isolated ecosystem since our ancestor Homo erectus was first emerging. — Adam Kovac, Scientific American, 3 Aug. 2026 In this way, all eukaryotic life, including human life, rides on the spindle’s success with each cell division across an organism’s lifetime. — Jake Buehler, Quanta Magazine, 29 June 2026 Owing to their near-universal presence in all eukaryotic cells, most scientists suspect that mitochondria originated before chloroplasts. — Encyclopedia Britannica, 18 June 2026 See All Example Sentences for eukaryotic

Word History

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of eukaryotic was in 1957

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Cite this Entry

“Eukaryotic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eukaryotic. Accessed 7 Nov. 2026.

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