Bible Dictionaries
Zirconoid

Webster's Dictionary

(n.) A double eight-sided pyramid, a form common with tetragonal crystals; - so called because this form often occurs in crystals of zircon.

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