| NOUN | substance | Fr, francium, atomic number 87 | a radioactive element of the alkali-metal group discovered as a disintegration product of actinium |
|---|
| Meaning | A radioactive element of the alkali-metal group discovered as a disintegration product of actinium. | |
|---|---|---|
| Synonyms | francium, atomic number 87 | |
| Broader | metallic element, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Spanish | francio, número atómico 87 | |
| Catalan | franci, Fr, número atòmic 87 | |
©2001-24 · HyperDic hyper-dictionary · Contact
English |
Spanish |
Catalan
Privacy |
Robots