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

Those consortium factors contain exosomes, natural peptides, cytokines, growth factors, all the beneficial signals that are done in a very holistic way. — Celia Shatzman, Forbes.com, 31 July 2026

Watch for launches that lead with the payload (a peptide complex, a growth factor blend) and treat spicules as the delivery mechanism, not the hero. — Hanna Wickes, Sacbee.com, 27 July 2026

The brand’s signature Cell Service complex of growth factors and peptides essentially boosts skin’s collagen and elastin production, while promoting firmer, bouncier skin. — Audrey Noble, Vogue, 27 July 2026

The name is derived from HGF [hepatocyte growth factor], a protein that helps activate muscle repair. — Angel Saunders, PEOPLE, 25 July 2026

Word History

First Known Use

1926, in the meaning defined above

Rhymes for growth factor

• attractor
• cofactor
• compactor
• contactor
• contractor
• distractor
• extractor
• impactor
• protractor
• reactor
• redactor
• refractor

Medical Definition

growth factor

noun

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