cinnamic acid
noun
cin·nam·ic acid
sə-ˈna-mik- 
: a white crystalline odorless acid C9H8O2 found especially in cinnamon oil and storax
Examples of cinnamic acid in a Sentence
Recent Examples on the Web
For example, cinnamon contains powerful antioxidant and anti-inflammatory compounds, including cinnamaldehyde, eugenol, cinnamic acid, and coumarin, that may help lower inflammation and protect cells against oxidative stress.
—
Jillian Kubala, Health, 14 Oct. 2025
Cumin contains such antioxidants as polyphenols, salicylic acid, cinnamic acid, and hydroquinone.
—Barbie Cervoni, Verywell Health, 20 Sep. 2024
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jillian Kubala, Health, 14 Oct. 2025
Cumin contains such antioxidants as polyphenols, salicylic acid, cinnamic acid, and hydroquinone.
—Barbie Cervoni, Verywell Health, 20 Sep. 2024
Cite this Entry
“Cinnamic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cinnamic%20acid. Accessed 18 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share