vanadium
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- n a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
- Sea water contains so little vanadium, for instance, that no chemical test will show it.
- The sea squirt, Phallusia mamillata, for example, has 1,000,000 times more vanadium in its blood than the water it lives in; the deep blue blood of the octopus has 100,000 times .
- Tailings from radium and vanadium plants provided uranium for the first atom bombs.