initiator
noun
ini·ti·a·tor
in-ˈish-ē-ˌāt-ər 
: one that initiates: as
a
: a substance that initiates a chemical reaction
b
: a substance that produces an irreversible change in bodily tissue causing it to respond to other substances which promote the growth of tumors
Dictionary Entries Near initiator
Cite this Entry
“Initiator.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/initiator. Accessed 25 Apr. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share