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

For example, chlorosis, a yellowing between leaf veins, may indicate a need for more nitrogen, iron or manganese. —Beth Botts, Chicago Tribune, 26 July 2025

The new cell chemistry complements GM's high-nickel and future lithium manganese rich solutions, further diversifying the company's growing EV portfolio. —Jackie Charniga, Freep.com, 14 July 2025

Analysts say this week's summit could follow suit, with the U.S. eyeing critical resources like Gabon's manganese and uranium. —Jewel Bright, NPR, 9 July 2025

The team also found, for the first time, manganese hydroxide in the observed specimens. —Samantha Mathewson, Space.com, 30 June 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