hydrosulfide

Or hy·dro·sul·phide

[hahy-druh-suhl-fahyd, -fid]

noun

1. a compound containing the univalent group –HS.

Word History and Origins

Origin of hydrosulfide¹

First recorded in 1840–50; hydro- ² + sulfide

Example Sentences

Some rail cars that did not go off the tracks were removed from the area, and two cars carrying sodium hydrosulfide had their contents transferred to other cars and moved to safety, Archer said.

Read more on Seattle Times

Two of the 11 derailed cars began leaking sodium hydrosulfide onto railway property, leading the local fire department to order nearby residents to evacuate, Casas said.

Read more on Washington Times

There were also unspecified amounts of calcium carbide, a highly flammable chemical that produces acetylene, which is used in welding; and sodium hydrosulfide, an extremely toxic compound used in mining.

Read more on New York Times

On top of that, workers must wear gas masks and carry oxygen packs, since just a whiff of the invisible hydrosulfide gas that seeps from the ground can cause instant death.

Read more on Time Magazine Archive

Theorists think that a layer of water vapor lies some 60 miles below the visible cloud tops; above the vapor layer, about 30 miles down, are clouds believed to consist of ammonium hydrosulfide, a sulfur compound.

Read more on Time Magazine Archive