Purbeck stone en · NOUN
Meanings
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(uncountable) A type of hard limestone from the Isle of Purbeck, used for building and paving.
I could perceive several small winding holes, much like Worm-holes, as I have noted in some kind of Purbeck-stone, by looking on the surface of a piece newly flaw'd off […].
1665, Robert Hooke, Micrographia, section XV: