thymol
noun
thy·mol ˈthī-ˌmȯl 
-ˌmōl
: a crystalline phenol C10H14O of aromatic odor and antiseptic properties found especially in thyme oil or made synthetically and used chiefly as a fungicide and preservative
Example Sentences
Recent Examples on the Web Products containing citrus acid and thymol, found in citrus fruits and the common thyme plant (Thymus vulgaris), are also on the EPA’s list. 
Debra Utacia Krol, azcentral, 1 Apr. 2020
Debra Utacia Krol, azcentral, 1 Apr. 2020 Word History
Etymology
International Scientific Vocabulary, from Latin thymum thyme
First Known Use
1857, in the meaning defined above
Medical Definition
thymol
noun
thy·mol ˈthī-ˌmȯl -ˌmōl
-ˌmōl : a crystalline phenol C10H14O of aromatic odor and antiseptic properties found especially in thyme oil or made synthetically and used chiefly as a fungicide and preservative