Zirconoid

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Zirconoid (Crystallog) A double eight-sided pyramid, a form common with tetragonal crystals; -- so called because this form often occurs in crystals of zircon.
    • ***
Century Dictionary and Cyclopedia
    • n zirconoid In crystallography, a double eight-sided pyramid belonging to the tetragonal system: so called because it is a common form with zircon.
    • ***

Etymology

Webster's Revised Unabridged Dictionary
Zircon, + oid,