anhydrous

adjective

an·​hy·​drous (ˌ)an-ˈhī-drəs How to pronounce anhydrous (audio)
: free from water and especially water of crystallization

Examples of anhydrous in a Sentence

Recent Examples on the Web The truck carried around 7,500 gallons of anhydrous ammonia. Alex Perry, The Enquirer, 7 Oct. 2024 The North Dakota Department of Environmental Quality told CNN the train was carrying anhydrous ammonia, sulfur and methanol. Sarah Dewberry, CNN, 6 July 2024 The cars were carrying anhydrous ammonia, sulfur and methanol, with ammonia posing the biggest risk, according to Bill Suess, spill investigation program manager for the North Dakota Department of Environmental Quality. Michael Dorgan, Fox News, 6 July 2024 So, take something like plagioclase, pyroxene and olivine, the most abundant minerals in basalt and all anhydrous (lacking water in their structure) and plop it for thousands to millions of years in a wet environment like an ocean floor. Erik Klemetti, Discover Magazine, 27 June 2024 See all Example Sentences for anhydrous 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'anhydrous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

1802, in the meaning defined above

Time Traveler
The first known use of anhydrous was in 1802

Dictionary Entries Near anhydrous

Cite this Entry

“Anhydrous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anhydrous. Accessed 31 Oct. 2024.

Kids Definition

anhydrous

adjective
an·​hy·​drous (ˈ)an-ˈhī-drəs How to pronounce anhydrous (audio)
: free from water

Medical Definition

anhydrous

adjective
an·​hy·​drous (ˈ)an-ˈhī-drəs How to pronounce anhydrous (audio)
: free from water and especially water that is chemically combined in a crystalline substance
anhydrous ammonia
Last Updated: - Updated example sentences
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