"hydrogen sulfide." YourDictionary, n.d. Web. 10 April 2019. <https://www.yourdictionary.com/hydrogen-sulfide>.
hydrogen sulfide. (n.d.). Retrieved April 10th, 2019, from https://www.yourdictionary.com/hydrogen-sulfide
A colorless, poisonous gas that smells like rotten eggs. It is formed naturally by decaying organic matter and is the smelly component of intestinal gas. It is also emitted by volcanoes and fumaroles. Hydrogen sulfide is used in the petroleum, rubber, and mining industries, and in making sulfur. Chemical formula:H2S.