Vanadium

**Definition:** A metallic element with the atomic symbol V, atomic number 23, and atomic weight 50.94. It is used in the manufacture of vanadium steel. Prolonged exposure can lead to chronic intoxication caused by absorption usually via the lungs.

**Tree numbers:** - D01.268.556.920 - D01.268.956.886 - D01.552.544.920

**Synonyms:** - Vanadium-51