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.
The study not only challenged conventional design but also the materials used, redefining the roles of cobalt and manganese in battery’s mechanical failure. Prabhat Ranjan Mishra, Interesting Engineering, 17 Dec. 2025 Maple syrup is a good source of manganese. Patty Weasler, Verywell Health, 16 Dec. 2025 Coffee grounds do contain nitrogen and micronutrients necessary for plants to thrive, but they shouldn’t be considered a major source since the amounts of other necessary nutrients like potassium, phosphorus, calcium, iron, and manganese are too small to be of any real value. Karen Brewer Grossman, Southern Living, 12 Dec. 2025 Additionally, wastewater treatment processes are required to limit the discharge of manganese into the environment. Angela Velasquez, Sourcing Journal, 9 Dec. 2025 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 20 Dec. 2025.

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

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