sulphur dioxide

Thân thiện

A scientist carefully measures sulphur dioxide emissions from a factory smokestack.

Definition

Noun: - A colorless, toxic gas with the chemical formula SO₂. It occurs naturally in volcanic emissions and is produced industrially from burning fossil fuels containing sulfur. It is a major air pollutant that contributes to acid rain formation.

Usage

• Used as a noun to refer to the specific chemical compound.
• Commonly discussed in contexts of environmental science, industrial processes, and pollution.

Examples

• Noun:
  • The volcano released large quantities of sulphur dioxide into the atmosphere.
  • Regulations aim to reduce sulphur dioxide emissions from power plants.
  • Acid rain is caused by pollutants like sulphur dioxide and nitrogen oxides.

Advanced Usage

• "Sulphur dioxide scrubbing": Refers to the industrial process of removing sulphur dioxide from exhaust flue gases.
  • The factory installed new scrubbers for sulphur dioxide removal.
• "Sulphur dioxide levels": Used when measuring or discussing atmospheric concentration.
  • Scientists are monitoring sulphur dioxide levels near the industrial zone.

Variants and Related Words

• Sulfur dioxide: The American English spelling variant.
• SO₂: The standard chemical formula abbreviation.
• Sulfite: (Noun) A salt or ester of sulfurous acid, often related in chemical contexts involving sulphur dioxide.

Synonyms

• SO₂ gas: A direct synonym using its chemical formula.
• Sulfurous anhydride: A less common technical name.

Notes on Different Meanings

This term has a single, specific scientific/environmental meaning as defined. It is not typically used in idiomatic expressions or as a phrasal verb.

Học thuật

Noun

1. a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain

Từ đồng nghĩa

• sulfur dioxide