CEFR B2

zirconium

noun

Meaning

Zirconium means a chemical element (symbol Zr) with an atomic number of 40, a strong, lustrous, grey-white transition metal mainly used as a refractory....

Examples

  • The article uses zirconium to mean a chemical element (symbol Zr) with an atomic number of 40, a strong, lustrous,....
  • The teacher asked students to find zirconium in the reading.