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bluestone

American  
[bloo-stohn] / ˈbluˌstoʊn /

noun

  1. a bluish, argillaceous sandstone used for building purposes, flagging, etc.


bluestone British  
/ ˈbluːˌstəʊn /

noun

  1. a blue-grey sandstone containing much clay, used for building and paving

  2. the blue crystalline form of copper sulphate

  3. a blue variety of basalt found in Australia and used as a building stone

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of bluestone

First recorded in 1645–55; blue + stone

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Sculpted into the eastern landscape, a series of stone terraces with a bluestone bar directly overlook Greenwich Cove and the vast protected expanse of Greenwich Point Park.”

From MarketWatch May 26, 2026

Their work offers evidence for the first time of links between cattle remains at Stonehenge and Wales, at the time when the bluestone megaliths were moved to the site.

From BBC Aug. 22, 2025

The exterior is covered in bluestone and cedar and nothing else.

From New York Times Nov. 2, 2022

Port saves loose paving for the backyard, preferring to use poured concrete or bluestone paving on main pathways to the door or driveway.

From Seattle Times Mar. 23, 2022

The campus looked a lot like the Institute, with its rolling hills, redbrick Victorian buildings, and bluestone roofs.

From "Reaching for the Moon" by Katherine Johnson

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