English word dioxide comes from English di-, English bismuth
| Dictionary entry | Language | Definition |
|---|---|---|
| di- | English (eng) | (uncommon) Alternative form of dis-. Two, twice, or double A form of dia- before a vowel. |
| bismuth | English (eng) | (countable) A single atom of this element.. A chemical element (symbol Bi) with an atomic number of 83: a brittle silvery-white metal. |
| dioxide | English (eng) | (chemistry) Any oxide containing two oxygen atoms in each molecule. |