tetrahydrothiophene

== English == === Etymology === Compound of tetrahydro +‎ thiophene. === Noun === tetrahydrothiophene (plural tetrahydrothiophenes) (organic chemistry) A saturated, five-membered heterocycle containing one atom of sulfur; it is added to natural gas to provide it with a detectable smell. ==== Synonyms ==== thiolane THT