Bible Dictionaries
Zirconium

Webster's Dictionary

(n.) A rare element of the carbon-silicon group, intermediate between the metals and nonmetals, obtained from the mineral zircon as a dark sooty powder, or as a gray metallic crystalline substance. Symbol Zr. Atomic weight, 90.4.

Bibliography Information
Webster, Noah. Entry for 'Zirconium'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​z/zirconium.html. 1828.