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 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.
Acidic soils contain more aluminum and manganese, which support blue blooms. Patricia Shannon, Southern Living, 9 May 2026 This dark, metal-rich powder contains critical elements such as lithium, nickel, cobalt, and manganese, yet most of it is currently shipped overseas for processing. Mrigakshi Dixit, Interesting Engineering, 8 May 2026 While both oatmeal and millet are rich in manganese, phosphorus, and magnesium, millet provides antioxidants that can help reduce oxidative stress. Mira Miller, Verywell Health, 4 May 2026 Design trade-offs The point at which the stingers usually snap, the researchers say, is at the zone where zinc enrichment at the tip abruptly stops and transitions into manganese. Jacek Krywko, ArsTechnica, 1 May 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

Browse Nearby Words

Cite this Entry

“Manganese.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/manganese. Accessed 18 May. 2026.

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

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