copper hydroxide

noun

1. a blue, water-insoluble, poisonous powder, Cu(OH) 2 , used in the manufacture of rayon, as a source for copper salts, and as a mordant.

Example Sentences

Copper hydroxide used as a spray is 15 times more effective as a fungicide than Bordeaux mixture commonly used on plants, and moreover leaves no stain.

From Time Magazine Archive

If instead of preparing the ammoniacal copper solution in the manner indicated above, which results in its containing a neutral ammonium salt, the copper hydroxide be prepared separately and then dissolved in ammonia a solution is obtained which is stronger in its action.

From Project Gutenberg

Cellulose is also soluble in an ammoniacal solution of copper hydroxide.

From Project Gutenberg