growth factor

noun

: a substance (such as a vitamin B12 or an interleukin) that promotes growth and especially cellular growth

Examples of growth factor in a Sentence

Recent Examples on the Web
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Scientists tested more than 300 combinations of growth factors, small molecules, and metabolites to develop the cells of Nicobar pigeons, the closest relative to the dodo. Reed Albergotti, semafor.com, 19 Sep. 2025 The team tested more than 300 recipes before happening on the right combination of growth factors, molecules and metabolites that allowed the pigeon germ cells to grow for 60 days. Katie Hunt, CNN Money, 17 Sep. 2025 And best of all is the way its cocktail of growth factors, peptides, collagen amino acids, and wild yam extract comes together to bring baby cheeks–levels of plumpness to your skin. Sophia Panych, Allure, 16 Sep. 2025 Solawave’s LightBoost Wand Activating Serum, which, in its own right, is a powerhouse that takes advantage of growth factors and neuropeptides to make skin firmer and more elastic. Stacia Datskovska, Footwear News, 9 Sep. 2025 See All Example Sentences for growth factor

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of growth factor was in 1926

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Cite this Entry

“Growth factor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/growth%20factor. Accessed 21 Sep. 2025.

Medical Definition

growth factor

noun
: a substance (as a vitamin B12 or an interleukin) that promotes growth and especially cellular growth

More from Merriam-Webster on growth factor

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