man·​ga·​nese | \ ˈmaŋ-gə-ˌnēz How to pronounce manganese (audio) , -ˌnēs\

Definition of manganese

: 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

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Other Words from manganese

manganesian \ ˌmaŋ-​gə-​ˈnē-​zhən How to pronounce manganesian (audio) , -​shən \ adjective

Examples of manganese in a Sentence

Recent Examples on the Web

The firm owns coal and manganese mines as well as aluminum smelters in South Africa. Gabriele Steinhauser, WSJ, "Power Struggle: Electricity Outages Hit South Africa Months Before Election," 14 Feb. 2019 While fresh peas are a good source of fiber, thiamine, folate, manganese, and vitamins A, C, and K, one cup of green peas contains 8.6 grams of protein, less than half of what you’d get from a serving of some of the most common pea protein powders. Sara Angle, Outside Online, "Pea Protein Is the Best Protein," 19 June 2018 Cutting costs The researchers began their work by building a manganese-hydrogen battery, which stores energy by splitting water and producing hydrogen in a reversible reaction. Megan Geuss, Ars Technica, "Researchers propose a cheap nickel-hydrogen battery for grid storage," 31 Oct. 2018 China was Gabon’s biggest trading partner last year, importing oil, manganese and timber from the nation of less than 2 million people., "Veolia Seeks Gabon Arbitration as Russia, China Close In," 9 Mar. 2018 Quartz compares the airplane to the Glomar Explorer, a deep sea drilling ship ostensibly designed to harvest manganese ore from the ocean floor. Kyle Mizokami, Popular Mechanics, "Does Stratolaunch Have a Top Secret Purpose?," 22 Aug. 2018 The order said water tested from Sativa wells, faucets and hoses contained higher-than-normal levels of manganese and was sometimes cloudier than standards allow. Angel Jennings,, "Customers sue embattled Compton water district over discolored water," 10 July 2018 Hard to find in a convenient drinkable juice form on these shores, mangosteen is known for its rich potassium, manganese and magnesium content. Kavita Daswani,, "Fourth of July BBQ draaaanks that won't blow your diet," 29 June 2018 The blobs are not rocks, but naturally-occurring metallic nodules that could one day yield metal deposits of cobalt, manganese, and nickel—not to mention scarce rare earth minerals. Eric Niiler, WIRED, "The Race to Send Robots to Mine the Ocean Floor," 4 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'manganese.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of manganese

1783, in the meaning defined above

History and Etymology for manganese

French manganèse, from Italian manganese manganese dioxide

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Statistics for manganese

Last Updated

3 Apr 2019

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Time Traveler for manganese

The first known use of manganese was in 1783

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More Definitions for manganese



English Language Learners Definition of manganese

: a grayish-white usually hard metal that breaks easily


man·​ga·​nese | \ ˈmaŋ-gə-ˌnēz How to pronounce manganese (audio) \

Kids Definition of manganese

: a grayish white brittle metallic chemical element that resembles iron


man·​ga·​nese | \ ˈmaŋ-gə-ˌnēz, -ˌnēs How to pronounce manganese (audio) \

Medical Definition of manganese

: 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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More from Merriam-Webster on manganese

Spanish Central: Translation of manganese

Nglish: Translation of manganese for Spanish Speakers Encyclopedia article about manganese

Comments on manganese

What made you want to look up manganese? Please tell us where you read or heard it (including the quote, if possible).


a sum of money that is sent as a payment

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