BLUE STONE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Hydrated blue crystalline form of copper sulfate

Synonyms:

blue copperas; blue stone; blue vitriol; chalcanthite

Classified under:

Nouns denoting substances

Hypernyms ("blue stone" is a kind of...):

copper sulfate; copper sulphate; cupric sulfate; cupric sulphate (a copper salt made by the action of sulfuric acid on copper oxide)

Credits