Menthol (noun)

A substance found in mint plants that has a cool, refreshing sensation when applied to the skin or mucous membranes. It is used in a variety of products such as cough drops, lip balm, and pain relievers.

Origin:

From the latin mentha, meaning "mint" and the english suffix -ol.

Examples:

1. Menthol is used as a decongestant and a pain reliever.
2. Menthol is the active ingredient in many over-the-counter chest rubs.
3. Menthol is an organic compound that is found in mint plants.
4. Menthol is used in many oral hygiene products such as toothpaste and mouthwash.
5. Menthol is also used in some cigarettes to enhance the flavor.