English word Trifluvian comes from English tri-, English -ian, English fluvius
| 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. |
| -ian | English (eng) | (as a noun) Having a certain profession.. (as a noun) One from, belonging to, relating to, or like.. (as an adjective) From, related to, or like. |
| fluvius | English (eng) | |
| Trifluvian | English (eng) | (Quebec) A resident of Three Rivers (Trois-Rivières) or its surrounding county. (Quebec) pertaining to the city of Three Rivers (Trois-Rivières) or its surrounding county. |