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hydroxide

American  
[hahy-drok-sahyd, -sid] / haɪˈdrɒk saɪd, -sɪd /

noun

  1. a chemical compound containing the hydroxyl group.

hydroxide British  
/ haɪˈdrɒksaɪd /

noun

  1. a base or alkali containing the ion OH –

  2. any compound containing an -OH group

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
hydroxide Scientific  
/ hī-drŏk′sīd′ /

  1. A chemical compound containing one or more hydroxyl radicals (OH). Inorganic hydroxides include hydroxides of metals, some of which, like sodium hydroxide (caustic soda) and calcium hydroxide, are strong bases that are important industrial alkalis. Some metal hydroxides, such as those of zinc and lead, are amphoteric (they act like both acids and bases). Organic hydroxides include the alcohols.

Etymology

Origin of hydroxide

First recorded in 1820–30; hydr- 2 + oxide

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Scott said Wesfarmers would also be open to expanding a refinery, which is currently being ramped up and is needed to produce battery-grade lithium hydroxide.

From The Wall Street Journal

Albemarle also said it would be idling the remaining operating train at its Kemerton lithium hydroxide processing plant in Western Australia.

From Barron's

Spodumene has now tripled and hydroxide more than doubled since late June, he says.

From The Wall Street Journal

In a report, BMI says it now expects average 2025 prices for Chinese lithium carbonate at $10,100/metric ton and for Chinese lithium hydroxide at $9,700/ton, both higher than previously envisaged.

From The Wall Street Journal

The Department of Energy terminates a grant for a battery cathode grade lithium hydroxide manufacturing facility.

From Barron's

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.