hydroxide

American  

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

noun

1. a chemical compound containing the hydroxyl group.

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hydroxide British  

/ haɪˈdrɒksaɪd /

noun

1. a base or alkali containing the ion OH ^–

2. any compound containing an -OH group

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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.

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Etymology

Origin of hydroxide

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

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Example Sentences

See Examples For:

hydroxide

These fibrils were then combined with potassium hydroxide and formed into porous beads measuring about half a centimeter to one centimeter in diameter.

From Science Daily ● Jun. 11, 2026

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 ● Nov. 20, 2025

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

From Barron's ● Oct. 16, 2025

Current supplied to the electrode in the water chamber splits water molecules, producing hydrogen gas and negatively charged hydroxide ions that attract positively charged lithium ions in the brine, drawing them through the membrane.

From Science Magazine ● Nov. 27, 2024

A second possibility was that some of the chemical called lithium hydroxide had gotten into our eyes.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins

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