Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A blue, crystalline hydrous solution of copper sulfate, CuSO4·5H2O, one of the most important industrial copper salts, used in insecticides, germicides, and hair dyes and in the processing of leather and textiles.
Wiktionary
GNU Webster's 1913
- adj. sulphate of copper, a violet blue crystallized salt, used in electric batteries, calico printing, etc.
- n. See under Blue.
WordNet 3.0
- n. hydrated blue crystalline form of copper sulfate
Examples
“Above me clouds scuddled across the blue vitriol of the April sky, and the sun slumped toward the horizon, painting the clouds’ soft bellies golden.”
“And we know, also, that no more copper can be obtained in this way from the blue vitriol than is actually used up in preparing it; and, further, that all the iron which is apparently converted into copper can be got out of the residual solution by appropriate methods, if such be desired; so that the facts really support DALTON'S theory rather than the alchemical doctrines.”
Lists
These user-created lists contain the word ‘blue vitriol’.
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In The Colorhouse
A colorhouse - a manufactory of colors for tints, dyes, pigments, paints, glazes, &c. Terms associated with the science and history of colormaking.
All sorts of things went into color...colorhouse, Turkey red, dyebath, woad, ocher, lead white, mordant, Naples yellow, zaffer, kiln, vat, pot and 151 more...
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