English word diniobium comes from English niobium, English di-
| Dictionary entry | Language | Definition |
|---|---|---|
| niobium | English (eng) | (countable) A single atom of this element.. A metallic chemical element (symbol Nb) with an atomic number of 41. |
| di- | English (eng) | (uncommon) Alternative form of dis-. Two, twice, or double A form of dia- before a vowel. |
| diniobium | English (eng) | (chemistry, especially in combination) Two niobium atoms in a molecule. |