Improve Blue vitriol meaning in Urdu

Is there any meaning of the word blue vitriol that needs an edit? Please click that meaning to rewrite it.

نیلے رنگ کا رنگ

Is there any meaning of the word blue vitriol that needs to be removed from the list? Please click that meaning to mark it for deletion.

نیلے رنگ کا رنگ

Do you want to add a new meaning, definition, and a sentence of the word blue vitriol? Please feel free to add.