Portland stone

noun

Definition of Portland stone

1 : a yellowish white oolitic building limestone
2 [from Portland, town in southern Connecticut, its locality] : a purplish brown sandstone
3 or portland stone : light stone

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History and Etymology for Portland stone

from Isle of Portland, peninsula in southern England, its locality

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Cite this Entry

“Portland stone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Portland%20stone. Accessed 24 Jan. 2021.

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