zirconium oxide vs zirconium dioxide

zirconium oxide and zirconium dioxide both are nouns.

Word	Noun	Adjective	Verb	Adverb
zirconium oxide	Yes	No	No	No
zirconium dioxide	Yes	No	No	No

As nouns, zirconium oxide and zirconium dioxide are synonyms defined as:

zirconium oxide and zirconium dioxide: a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes

Other synonyms of zirconium oxide include zirconia.

zirconium oxide (noun)	zirconium dioxide (noun)
a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes	a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes