Zirconium

имя существительное [химия] цирконий

Большой англо-русский словарь

Zirconium

цирконий, Zr

Англо-русский политехнический словарь

Zirconium

noun Etymology: New Latin, from International Scientific Vocabulary zircon a steel-gray hard ductile metallic element with a high melting point that occurs widely in combined form (as in zircon), is highly resistant to corrosion, and is used especially in alloys and in refractories and ceramics — see element table

Merriam-Webster's Collegiate Dictionary