manganese

noun

man·​ga·​nese ˈmaŋ-gə-ˌnēz How to pronounce manganese (audio)
-ˌnēs
: a grayish-white usually hard and brittle metallic element that resembles iron but is not magnetic and is used especially in alloys, batteries, and plant fertilizers see Chemical Elements Table
manganesian
ˌmaŋ-gə-ˈnē-zhən How to pronounce manganese (audio)
-shən
adjective

Examples of manganese in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Rising global demand to extract battery metals like cobalt, nickel, and manganese makes mining increasingly likely. — Mrigakshi Dixit, Interesting Engineering, 14 Oct. 2026 Whole wheat toast offers measurable amounts of selenium and manganese, micronutrients that support reproduction and protect against cell damage. — Trista Chan, HEALTH, 12 Oct. 2026 The first plant in Warren, Ohio, opened in 2022 and makes large-format nickel-manganese-cobalt-aluminium pouch cells for GM’s line of EVs (excluding the 2027 Bolt). — John Voelcker, The Verge, 12 Oct. 2026 Today, those springs feed five geothermal pools, with temperatures reaching up to 102 degrees and contain minerals like manganese, silicate, and zinc, in a magical setting marked by gurgling fountains and 100-year-old redwood and eucalyptus trees. — Cnt Editors, Condé Nast Traveler, 6 Oct. 2026 See All Example Sentences for manganese

Word History

Etymology

French manganèse, from Italian manganese manganese dioxide

First Known Use

1783, in the meaning defined above

Time Traveler
The first known use of manganese was in 1783

Phrases Containing manganese

Rhymes for manganese

See All Rhymes for manganese

Browse Nearby Words

manganeisen
manganese
manganese black
See all Nearby Words

Cite this Entry

“Manganese.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/manganese. Accessed 20 Oct. 2026.

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Kids Definition

manganese

noun
man·​ga·​nese ˈmaŋ-gə-ˌnēz How to pronounce manganese (audio)
-ˌnēs
: a grayish white usually hard and brittle metallic element that resembles iron but is not magnetic see element

Medical Definition

manganese

noun
man·​ga·​nese ˈmaŋ-gə-ˌnēz, -ˌnēs How to pronounce manganese (audio)
: a grayish white usually hard and brittle metallic element that resembles iron but is not magnetic
—symbol Mn see Chemical Elements Table

More from Merriam-Webster on manganese

Britannica.com: Encyclopedia article about manganese

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