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

African countries supply more than 80% of China’s chromium and manganese imports. —Yinka Adegoke, semafor.com, 3 June 2026

Vila’s top three-stage pick, with a sediment cartridge, carbon block for chlorine and VOCs, and a third cartridge for iron and manganese. —Ryan Brennan may 26, Miami Herald, 26 May 2026

Oats also contain magnesium and copper (which help lower blood cholesterol levels) and manganese, which help in cholesterol metabolism, Elick says. —Kirsten Nunez, Martha Stewart, 17 May 2026

Acidic soils contain more aluminum and manganese, which support blue blooms. —Patricia Shannon, Southern Living, 9 May 2026

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