Definitions for "Chromated Copper Arsenate"
(General) A pesticide that is forced into wood under high pressure to protect it from termites, other wood boring insects, and decay caused by fungus.
A chemical preservative injected into wood to make it resistant to insect infestation or rot. CCA gives the wood a greenish tint. Copper acts as a fungicide, arsenic as an insecticide while chromium is the agent that binds everything to the wood.
A wood preservative that has fungicidal and insecticidal activity.