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Definition of Cosmine
1. Noun. A continuous layer of dentine, covered by a layer of enamel, that takes the place of scales in some ancient fish. ¹
¹ Source: wiktionary.com
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1. Noun. A continuous layer of dentine, covered by a layer of enamel, that takes the place of scales in some ancient fish. ¹
¹ Source: wiktionary.com