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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Peptides and Growth Factors Peptides and growth factors are also promising skincare ingredients, Thornburg said. Sherri Gordon, Health, 10 June 2026 Carrots mature in 55 to 80 days, depending on the variety and other growth factors. Alexandra Jones, The Spruce, 1 June 2026 The simulation enlarged first one disc and then another by the same growth factor, and so on. Quanta Magazine, 4 May 2026 Neuroscientists Wendy Suzuki, PhD, Samuel Wang, PhD, and Gary Small, MD explain how movement increases blood flow, boosts growth factors like BDNF, and floods the brain with mood-lifting neurochemicals. Big Think, 30 Apr. 2026 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 14 Jun. 2026.

Medical Definition

growth factor

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

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