baddeleyite

[bad-l-ee-ahyt-bad-lee-]

bad·de·ley·ite

[bad-l-ee-ahyt-bad-lee-]
noun
a mineral, zirconium oxide, ZrO2, used as a refractory.

Origin:
1890–95; named after Joseph Baddeley, Englishman who first brought specimens to Europe (in 19th century) from Asia; see -ite1
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Baddeleyite is always a great word to know.
So is gobo. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
Collins
World English Dictionary
baddeleyite (ˈbædlɪˌaɪt)
 
n
a mineral consisting largely of zirconium dioxide: a source of zirconium. Formula: ZrO2
 
[C19: named after J. Baddeley, British geologist]

Collins English Dictionary - Complete & Unabridged 10th Edition
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