cinnamaldehyde
noun
cin·na·mal·de·hyde
ˌsin-ə-ˈmal-də-ˌhīd 
: an aromatic oily aldehyde C9H8O occurring as the chief constituent of cinnamon-bark oil and cinnamon oil and used as a flavor
Cite this Entry
“Cinnamaldehyde.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cinnamaldehyde. Accessed 4 Nov. 2025.
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