an·​hy·​drous | \ (ˌ)an-ˈhī-drəs How to pronounce anhydrous (audio) \

Definition of anhydrous

: free from water and especially water of crystallization

Examples of anhydrous in a Sentence

Recent Examples on the Web For instance in 2009 a $3.75 million pilot plant for at the University of Minnesota’s West Central Research and Outreach Center was using electricity from a local wind power facility to produce 25 tons of anhydrous ammonia per year. Steven Savage, Forbes, 25 Apr. 2022 These prices have largely kept rising, with agricultural research firm DTN this month assessing the anhydrous ammonia fertilizer price at $1,492 a ton—up over 200% from the same time last year and a record. Kirk Maltais, WSJ, 12 Feb. 2022 The price of anhydrous ammonia, which is used to provide nitrogen to optimize corn plant growth, is up more than 300% from last year. David Pitt, ajc, 24 Feb. 2022 Silva says this is because the brand uses a waterless (also known as anhydrous) form of salicylic acid. Jennifer Hussein, Allure, 10 Jan. 2022 The leak was identified as anhydrous ammonia, which is used for refrigerating food, according to the release. Zach Harris,, 1 Aug. 2021 The federal government has issued big fines against two Yakima County fruit companies for missing the annual deadline for filing forms reporting that their facilities store anhydrous ammonia. From Usa Today Network And Wire Reports, USA TODAY, 28 July 2021 Fire officials are worried about the potential release of anhydrous ammonia into the surrounding area, said Debbie McDermott, fire marshal for McMinnville. oregonlive, 21 Apr. 2021 River Country was fined by the state in 2010 for safety violations with anhydrous ammonia storage at its facility in Hampton. Matt Mckinney, Star Tribune, 17 Oct. 2020 See More

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

First Known Use of anhydrous

1802, in the meaning defined above

History and Etymology for anhydrous

Greek anydros, from a- + hydōr water — more at water

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Time Traveler for anhydrous

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The first known use of anhydrous was in 1802

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anhydrous ammonia

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Cite this Entry

“Anhydrous.” Dictionary, Merriam-Webster, Accessed 9 Aug. 2022.

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More Definitions for anhydrous


an·​hy·​drous | \ (ˈ)an-ˈhī-drəs How to pronounce anhydrous (audio) \

Medical Definition of anhydrous

: free from water and especially water that is chemically combined in a crystalline substance anhydrous ammonia


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