Sulfur (Noun)
Meaning
An abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions).
Classification
Nouns denoting substances.
Examples
- The chemical composition of matchheads includes sulfur and other flammable substances to create the desired flame when ignited.
- Yellow crystals of sulfur found near hot springs indicate geothermal activity and associated minerals.
- Natural gas is composed mainly of methane with some amounts of ethane and trace amounts of sulfur.
- High sulfur levels in fuel lead to higher levels of pollutants emitted by engines, especially particulate matter.
- Eruptions from volcanoes produce gases including hydrogen sulfide which converts into elemental sulfur near the Earth's surface.