noun
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a compact, usu. impure, massive variety of talc, used to make electrical insulators and also to carve idols; soapstone; steatite.
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a thin plate of this, usu. black in colour and framed, used as hand held board by students to write on with a piece of chalk.
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ಬಳಪದ ಕಲ್ಲು baḷapada kallu = ಬಳಪ - 1.