mercaptan

/mer-kap-tan/US // mərˈkæp tæn //UK // (mɜːˈkæptæn) //

硫醇,硫醇类,硫醇类物质,硫丹

Definitions

n.名词 noun

1
Chemistry.
- : any of a class of sulfur-containing compounds having the type formula RSH, in which R represents a radical, and having an extremely offensive, garlicky odor.

"And butyl mercaptan; I'm quite aware of that," said the Doctor quickly, to continue the tradition of omniscience.
True, it smelled like an ancient Earth-animal called skunk—butyl mercaptan.
We tried cayenne pepper and n-butyl mercaptan—the main ingredient in "polecat essence."
The stuff smelled like a mixture of spirits of ammonia and butyl mercaptan, but it did the job.