cell line

noun

: a cell culture selected for uniformity from a cell population derived from a usually homogeneous tissue source (such as an organ)
a newly established cell line derived from a human endometrial carcinomaBiol. Abstracts

Examples of cell line in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The specific cell lines used in the production of some vaccines, including MMR, are WI-38 and MRC-5. Jordan King, MSNBC Newsweek, 1 May 2025 The Pfizer and Moderna vaccines used fetal cell lines during testing. Jonathan Shorman, Kansas City Star, 3 Apr. 2025 Used whole genome sequencing and karyotyping to screen edit cell lines. Brayden Garcia, Fort Worth Star-Telegram, 14 Apr. 2025 The group then compared the DNA of the dire wolves with DNA sequences from gray-wolf cell lines. D. T. Max, New Yorker, 7 Apr. 2025 See All Example Sentences for cell line

Word History

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of cell line was in 1940

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Cite this Entry

“Cell line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cell%20line. Accessed 8 Jun. 2025.

Medical Definition

cell line

noun
: a cell culture selected for uniformity from a cell population derived from a usually homogeneous tissue source (as an organ)
a newly established cell line derived from human endometrial carcinomaBiological Abstracts
Last Updated: - Updated example sentences
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