English word triuranium comes from English tri-, English molybdenum
| Dictionary entry | Language | Definition |
|---|---|---|
| tri- | English (eng) | (chemistry) Used in combination with a known element name (e.g. 'tri-silicon') to designate an unknown element that would reside three periods lower than the known element on a Mendeleev-type periodic table. See Mendeleev's predicted elements. Three. |
| molybdenum | English (eng) | A metallic chemical element (symbol Mo) with an atomic number of 42.. A single atom of this element. |
| triuranium | English (eng) | (inorganic chemistry, in combination) Three uranium atoms / ions in a compound. |