n. A colorless organic liquid, C2H5SH, that has a strong odor and is added to odorless fuel and fuel systems as a warning agent. Also called ethanethiol.
ethyl mercaptan
ethyl mercaptan
[¦eth·əl mər′kap·tan] (organic chemistry) C2H5SH A colorless liquid, boiling at 36°C. Also known as ethyl sulfhydrate; thioethyl alcohol.