Dictionary
Gramatyka angielska
Word: Columbium
ID Word Wordtype Definition 30094 Columbium n. A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.
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Floorheads | Efficient | Wing-shell | Discriminate | Moder |
