actinium 1
rzeczownikdomena: substancja
Princeton WordNet [ver.3.1]
Definicja
a radioactive element of the actinide series; found in uranium ores
Synonimy
- Ac 1
a radioactive element of the actinide series; found in uranium ores
- atomic number 89 1
a radioactive element of the actinide series; found in uranium ores


