ar·​se·​nate | \ ˈärs-nət How to pronounce arsenate (audio) , ˈär-sə-, -ˌnāt \

Definition of arsenate

: a salt or ester of an arsenic acid

Examples of arsenate in a Sentence

Recent Examples on the Web By the way, for more than 60 years PT lumber was infused with chromated copper arsenate (CCA), a suspected--some say, known--carcinogen. Joseph Truini, Popular Mechanics, "How to Choose a Deck Material That Is Right for You," 6 June 2017 As with Zika today in Brazil, a pesticide was widely blamed: tree spray containing arsenate of lead. Donald G. Mcneil Jr., New York Times, "Sign Up for the Science Times Newsletter," 29 Aug. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arsenate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of arsenate

1800, in the meaning defined above

History and Etymology for arsenate

arsenic acid + -ate entry 1

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Time Traveler for arsenate

Time Traveler

The first known use of arsenate was in 1800

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Statistics for arsenate

Last Updated

3 Sep 2020

Cite this Entry

“Arsenate.” Dictionary, Merriam-Webster, Accessed 20 Sep. 2020.

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More Definitions for arsenate


ar·​se·​nate | \ ˈärs-nət How to pronounce arsenate (audio) , -ᵊn-ət How to pronounce arsenate (audio) , -ᵊn-ˌāt \

Medical Definition of arsenate

: a salt or ester of an arsenic acid

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