dioxide

dioxide — noun

1. a chemical that forms when one atom of a non-oxygen element joins together with

1.名詞B2
釋義

a chemical that forms when one atom of a non-oxygen element joins together with a pair of oxygen atoms

例句

Dr. Tariro checked the carbon dioxide reading before opening the storage tank.

compound name: carbon dioxide

Burning wood produces carbon dioxide as a natural byproduct of the reaction.

verb collocation: produce + dioxide

反義詞
  • monoxide

    a compound with only one oxygen atom instead of two, e.g. carbon monoxide (CO)

文法句型

dioxide + noun (e.g. dioxide levels)

compound_name like carbon dioxide

用法筆記

Dioxide is rarely used alone; it almost always appears as the second word in a compound name such as carbon dioxide, sulfur dioxide, or nitrogen dioxide. Carbon dioxide (CO₂) is by far the most common form in everyday language.

常見錯誤

❌The lab measured the dioxide in the atmosphere.
✅The lab measured the carbon dioxide in the atmosphere.
💡Dioxide alone sounds incomplete; specify which dioxide (e.g., carbon dioxide, sulfur dioxide) in most contexts.
❌Carbon dioxide is an oxide with one oxygen atom.
✅Carbon dioxide is an oxide with two oxygen atoms.
💡The prefix di- means 'two' — confusing dioxide with monoxide changes the chemical meaning.