NOM | substance | Ac, actini, número atòmic 89 | a radioactive element of the actinide series |
---|
Sentit | A radioactive element of the actinide series; found in uranium ores. | |
---|---|---|
Sinònims | actini, número atòmic 89 | |
General | element, element químic | Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
Anglès | actinium, Ac, atomic number 89 | |
Espanyol | actinio, número atómico 89 |
©2001-24 · HyperDic hyper-dictionary · Contact