bluestone

Etymology

Definitions

1. 1

   Any of several bluish-grey varieties of stone used for construction

   • Its people are proud of their history and heritage of free settlement and the famous bluestone homes and public buildings of Adelaide are among the most orderly and best cared for examples of colonial architecture in the country.
   • William rented the house on the corner of Lefevre Terrace and Tynte Street: a two-storey home of local bluestone with stuccoed enrichments, in high Victorian Italianate style.
2. 2

   Either of two related copper- and sulfur-based bright blue stones

   Either of two related copper- and sulfur-based bright blue stones:

   • This consists of thoroughly spraying the plants with Bordeaux mixture once in ten days or two weeks after they have begun to run. Bordeaux mixture is made by bringing together the milk of lime and a solution of copper sulphate (bluestone).
   • Bordeaux mixture is a combination of bluestone (copper sulfate) and lime (calcium hydroxide).
3. 3

   Lapis lazuli, or its core constituent, lazurite.

   • From Cyprus were brought bricks of lead, with bluestone and elephant's tusks, and the vases were carved in fanciful designs, with the heads of goats, lions, bulls, and eagles.
   • […] but the “bluestone,” or lapis lazuli, was quarried by the Egyptians in the Sinaitic peninsula, and to these mines, perhaps, the author refers.
4. ›+ 2 more definitionsshow fewer

   1. 4

      To treat or dose with copper sulfate.

      • Bluestoning at any time of the year will destroy a number of snails […]
   2. 5

      A surname.

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