Dictionary definitions
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zircona
From The Collaborative International Dictionary of English v.0.48:
Zircona \Zir"co*na\, n. [NL.] (Chem.) Zirconia. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Zircona \Zir"co*na\, n. [NL.] (Chem.) Zirconia. [1913 Webster]
