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

Since copper and manganese are plentiful on land, deep-seafloor mining is really all about nickel and cobalt. —Victor Vescovo, Time, 22 May 2025

The battery, which has been under development for a decade, uses more of the cheaper elements like manganese and far less cobalt and nickel than current lithium-ion cells. —Danielle Chemtob, Forbes.com, 14 May 2025

Ukraine also has lithium, graphite and manganese, which are used in electric vehicle batteries. —Michael Dorgan, FOXNews.com, 30 Apr. 2025

Being able to recover more energy under braking obviously helps efficiency, but there's also new battery chemistry with a different ratio of nickel:manganese:cobalt from before, plus a lot of work on the 800 V battery pack's cooling system. —ArsTechnica, 2 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