activator

noun

ac·​ti·​va·​tor ˈak-tə-ˌvāt-ər How to pronounce activator (audio)
1
: a substance (as a chloride ion) that increases the activity of an enzyme compare coenzyme
2
: a substance given off by developing tissue that stimulates differentiation of adjacent tissue
also : a structure giving off such a stimulant

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Cite this Entry

“Activator.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/activator. Accessed 3 Mar. 2024.

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