Wiktionary
n. 1 (context chemistry English) any compound formally derived from hydrogen sulfide by replacing one hydrogen atom with a metal or other radical; a thiol or mercaptan 2 (context chemistry English) the HS- anion
Wikipedia
Usage examples of "hydrosulfide".
Blue clouds of water vapor form a layer 500 kilometers deep in the atmosphere, while a layer of brown ammonia hydrosulfide mist forms a hundred kilometers higher still.
The best they could do was climb into the layer of brown ammonia hydrosulfide clouds a hundred kilometers above the cities.
So long as the reactor continues working, we should be able to clear the water clouds and reach the haze below the ammonia hydrosulfide clouds.
Bands of white ammonia and amber ammonium hydrosulfide clouds snaked in sinuous ribbons.
Hydrogen on top, then under that ammonia, ammonium hydrosulfide, water, and liquid hydrogen, all of them in various crystalline states, or melted, or diffused through each other.