manganese

noun

man·​ga·​nese ˈmaŋ-gə-ˌnēz 

-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 

-shən

adjective

Examples of manganese in a Sentence

Recent Examples on the Web

The practice of deep-sea mining involves using machinery to remove minerals and metals — such as cobalt, nickel, copper and manganese — from the seabed. —Sam Meredith, CNBC, 15 May 2025

Coal ash, for instance, contains cobalt, lithium, and manganese, as well as rare earth elements. —Stephanie Hanes, Christian Science Monitor, 5 May 2025

Large swathes of the deep-sea floor contain nodules of the critical minerals cobalt, copper, manganese and nickel. —Thomas G. Moukawsher, MSNBC Newsweek, 25 Apr. 2025

But companies have long eyed the ocean floor as a potential source of metals like nickel, cobalt, manganese and copper, which are used in batteries for electric vehicles and other technologies. —Julia Simon, NPR, 25 Apr. 2025

Word History

Etymology

French manganèse, from Italian manganese manganese dioxide

First Known Use

1783, in the meaning defined above

Phrases Containing manganese

• manganese dioxide

Rhymes for manganese

• abcs
• absentees
• addressees
• adoptees
• allottees
• amputees
• antifreeze
• appellees
• appointees
• arrestees
• artistes
• assamese

Kids Definition

manganese

noun

man·​ga·​nese ˈmaŋ-gə-ˌnēz 

-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 

: a grayish white usually hard and brittle metallic element that resembles iron but is not magnetic

—symbol Mn see Chemical Elements Table