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alum slate. In DICTIOUS you will not only get to know all the dictionary meanings for the word
alum slate, but we will also tell you about its etymology, its characteristics and you will know how to say
alum slate in singular and plural. Everything you need to know about the word
alum slate you have here. The definition of the word
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English
Noun
alum slate
- (geology) A slate consisting mainly of clay, iron pyrites, and coaly matter, from which alum is obtained.