SO2
|S-O-2|
B2
🇺🇸
/ˌɛsˌoʊˈtuː/
🇬🇧
/ˌɛsˌəʊˈtuː/
toxic gas
Etymology
Etymology Information
'SO2' originates from the chemical symbols 'S' for sulfur and 'O' for oxygen, with the subscript '2' indicating two oxygen atoms.
Historical Evolution
The term 'SO2' has been used in scientific contexts since the development of modern chemistry nomenclature.
Meaning Changes
Initially, it was used to describe the chemical composition of sulfur dioxide, and this meaning has remained consistent.
Meanings by Part of Speech
Noun 1
a chemical compound known as sulfur dioxide, a toxic gas with a pungent, irritating smell.
SO2 is a significant air pollutant, especially in industrial areas.
Synonyms
Last updated: 2025/02/14 05:51