noun
a liquid ester with a strong odor of wintergreen; applied externally for minor muscle and joint pain
• Syn: ↑methyl salicylate, ↑sweet-birch oil
• Hypernyms: ↑salicylate
• Substance Holonyms: ↑wintergreen oil, ↑oil of wintergreen
* * *
noun1. : birch-tar oil
2. : an essential oil obtained from the bark or twigs of the sweet birch that resembles wintergreen oil in consisting chiefly of methyl salicylate and is used similarly to methyl salicylate — called also sweet-birch oil
Useful english dictionary. 2012.