copper naphthenate

[naf-thuh-neyt, nap-]

noun

Chemistry.

1. a green salt, soluble in benzene, used as an insecticide and a wood preservative, but harmless to plants.

Word History and Origins

Origin of copper naphthenate¹

naphthene + -ate ²

Example Sentences

Use this knowledge to your advantage and routinely apply copper naphthenate solution to any end grain you see.

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I’d purchase some liquid copper naphthenate and brush it on any of the joists where the rot is less than 5 percent of its overall width.

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