phytoncide
noun
phy·ton·cide
ˈfī-ˌtän-ˌsīd 
: any of various bactericidal substances obtained from plants (as onion and garlic)
Cite this Entry
“Phytoncide.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/phytoncide. Accessed 31 Oct. 2025.
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