释义 |
vanadium group va·na·di·um groupthose elements resembling vanadium in chemical and metallurgic properties; included with vanadium are niobium and tantalum.va·na·di·um group (vă-nā'dē-ŭm grūp) Those elements resembling vanadium in chemical and metallurgic properties; included with vanadium are niobium and tantalum. |