noun min·er·al·oid \ˈmin(ə)rəˌlȯid\

Definition of mineraloid



  1. :  an amorphous substance that would otherwise have the attributes of a mineral; especially :  a metamict substance derived from a mineral — compare gel mineral

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Origin and Etymology of mineraloid

International Scientific Vocabulary 1mineral + -oid; probably originally formed in German

Seen and Heard

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a rounded knoll or a ridge of ice

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