- a fungicide consisting of a mixture of copper sulfate, lime, and water.
Origin of Bordeaux mixture
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- horticulture a fungicide consisting of a solution of equal quantities of copper sulphate and quicklime
Word Origin for Bordeaux mixture
C19: loose translation of French bouillie bordelaise, from bouillir to boil + bordelais of Bordeaux
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012