sulfurous substance
nounUK /ˈsʌlfərəs ˈsʌbstəns/
US /ˈsʌlfərəs ˈsʌbstəns/
A sulfurous substance is a material that contains sulfur or smells like rotten eggs.
The volcano released a sulfurous substance that made the air smell bad.
RELATED WORDS
OTHER MEANINGS
2. A chemical mixture that gives off sulfur dioxide gas when burned.
Burning coal can produce a sulfurous substance in the smoke.
3. A yellowish material found near hot springs and volcanoes.
The hikers saw a yellow sulfurous substance crusting the rocks.
4. Any substance linked to the smell of sulfur in nature.
The swamp had a sulfurous substance that made the water smell strange.