bluestone.
Any of several bluish-grey varieties of stone used for construction
Meaning & usage
Any of several bluish-grey varieties of stone used for construction
Any of several bluish-grey varieties of stone used for construction: A form of dolerite which appears blue when wet or freshly broken.
Any of several bluish-grey varieties of stone used for construction: Any of the several (massive) kinds of non-local stone (particularly dolerite) used to construct Stonehenge.
Any of several bluish-grey varieties of stone used for construction: A feldspathic sandstone found in the US and Canada.
Any of several bluish-grey varieties of stone used for construction: A form of limestone found in the Shenandoah Valley and some other places.
Any of several bluish-grey varieties of stone used for construction: A bluish-grey basalt or olivine basalt.
Any of several bluish-grey varieties of stone used for construction: Slate, such as comes from quarries in or near Adelaide.
Either of two related copper- and sulfur-based bright blue stones: Copper(II) sulfate, CuSO₄(H₂O)ₓ where x is 0-5, used as a coloring agent in glass-making and pottery and for other purposes.
Either of two related copper- and sulfur-based bright blue stones: Chalcanthite, a water-soluble sulfate mineral, CuSO₄·5H₂O.
Lapis lazuli, or its core constituent, lazurite.
Where this word comes from
From blue + stone.
To treat or dose with copper sulfate.
Where this word comes from
From blue + stone.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.