Grapholite definitions

Grapholite

• (n.) Any species of slate suitable to be written on.
Found on http://thinkexist.com/dictionary/meaning/grapholite/

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Grapholite

Graph'o·lite noun [ Greek gra`fein to write + -lite : confer French grapholithe .] Any species of slate suitable to be written on.
Found on http://www.encyclo.co.uk/webster/G/52

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