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cell line

American

noun

Cell Biology.

a perpetuating strain of cells in laboratory culture.

cell line British

noun

biology a clone of animal or plant cells that can be grown in a suitable nutrient culture medium in the laboratory

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of cell line

First recorded in 1950–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The cell line, called "HeLa" after the patient's first and last name, was sent to research labs around the world.

From BBC • Feb. 27, 2026

Both significantly accelerated tumor growth and increased metastatic colonization in independent cell line models.

From Science Daily • Feb. 17, 2026

When a cancer cell line named colon26 was treated with rbNPs, cell division was arrested and programmed cell death was induced, indicating strong anticancer effects of the nanoparticles.

From Science Daily • Apr. 22, 2024

To do this they used a stem cell line derived from skin cells donated by a healthy 75-year-old woman.

From Science Daily • Nov. 16, 2023

Ironically, in his decision, the judge cited the HeLa cell line as a precedent for what happened with the Mo cell line.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023