blue·stone (bl  st n )n. 1. A bluish-gray sandstone used for paving and building. 2. A stone similar to this kind of sandstone. |
bluestone [ˈbluːˌstəʊn]
n
1. (Earth Sciences / Geological Science) a blue-grey sandstone containing much clay, used for building and paving
2. (Chemistry / Elements & Compounds) the blue crystalline form of copper sulphate
3. (Earth Sciences / Geological Science) a blue variety of basalt found in Australia and used as a building stone
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | bluestone - bluish-grey sandstone used for paving and building sandstone - a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.) |
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