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.
Minerals such as calcium, manganese, and fluoride support bone health, helping to prevent or manage diseases like arthritis and osteoporosis. Embry Roberts, Martha Stewart, 2 July 2026 The International Seabed Authority has issued 30 prospective mining contracts to 21 companies from 20 countries to explore the seabed for cobalt, manganese, and other critical minerals. Bill Gourgey, Popular Science, 2 July 2026 Researchers then add lithium, manganese, and phosphate salts to provide the ingredients for LMFP. Sujita Sinha, Interesting Engineering, 2 July 2026 Pineapple is high in vitamin C and manganese, and can be a healthy food for dogs to eat. Madeline Gunderson, USA Today, 26 June 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 6 Jul. 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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