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Webster 1913 Edition

Noun.

(Chem.)

A double fluoride of zirconium and hydrogen, or some other positive element or radical;

as,

zircofluoride

of sodium

Zircon syenite

a coarse-grained syenite containing zircon crystals and often also elaeolite. It is largely developed in Southern Norway.

zircofluoride ‎(plural zircofluorides)

(chemistry) A double fluoride of zirconium and hydrogen, or some other positive element or radical.