| NOUN | substance | technetium, Tc, atomic number 43 | a crystalline metallic element not found in nature |
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| Meaning | A crystalline metallic element not found in nature; occurs as one of the fission products of uranium. | |
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| Synonyms | Tc, atomic number 43 | |
| 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 | número atómico 43, Tc, tecnecio | |
| Catalan | número atòmic 43, Tc, tecneci | |
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