English word thallic comes from English thallium
| Dictionary entry | Language | Definition |
|---|---|---|
| thallium | English (eng) | A metallic chemical element (symbol Tl) with atomic number 81.. A single atom of this element. |
| thallic | English (eng) | (inorganic chemistry) Pertaining to or containing the element thallium, especially with valence 3.. Pertaining to a thallus. |