from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A mixture of copper sulphate and lime that is sprayed on plants as a fungicide.
from the GNU version of the Collaborative International Dictionary of English
- A fungicidal mixture composed of blue vitriol, lime, and water. The formula in common use is: blue vitriol, 6 lbs.; lime, 4 lbs.; water, 35 -- 50 gallons.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. antifungal agent consisting of a solution of copper sulphate and quicklime
From Bordeaux in France, where it is used on vines (Wiktionary)