arsenate

[ahr-suh-neyt, -nit]

noun

1. a salt or ester of arsenic acid.

arsenate

/ -nɪt, ˈɑːsəˌneɪt /

noun

1. a salt or ester of arsenic acid, esp a salt containing the ion A 5 O 4 ^3–

arsenate

1. A salt containing the radical AsO ₄.

Word History and Origins

Origin of arsenate¹

First recorded in 1790–1800; arsen- + -ate ²

Example Sentences

For projects around homes, the main replacement was lumber treated with chromated copper arsenate, or CCA, which was introduced in the 1940s.

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It was sprayed onto fruit as a pesticide in the form of lead arsenate.

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Bags of mulch that bear the council’s seal have been tested to ensure that they don’t contain lead paint, chromated copper arsenate and other contaminants found in old building materials.

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In the 19th century, a concoction named Paris green was the insecticide of choice before being replaced by lead arsenate — an unholy marriage of arsenic and lead first used in 1892.

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One of the earliest pesticides associated with cancer is arsenic, occurring in sodium arsenite as a weed killer, and in calcium arsenate and various other compounds as insecticides.

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