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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While many growth factors are human-derived (which, naturally, spurs some ethical concerns), Bioeffect’s come from barley, which Brezavscek says are still effective. Arden Fanning Andrews, Vogue, 29 Aug. 2025 There is early clinical research around certain peptides, particularly copper peptides and biomimetic signal peptides, which mimic the body’s natural growth factors. Adam Hurly, Robb Report, 28 Aug. 2025 For instance, the growth factor VEGF was found at a 20x higher concentration in the secretome, Epidermal Growth Factor (EGF) was present at 10x the concentration, with FGF and IGF also present at 15x and 8x higher concentrations respectively. Jessica Ourisman, Forbes.com, 11 Aug. 2025 Other treatments, such as low-level laser therapy (LLLT) and microneedling combined with growth factors or peptides, are also gaining popularity for their ability to improve circulation and support follicle health. Marie Lodi, Flow Space, 24 July 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 10 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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