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

Twisting atomic order The researchers combined a manganese–cobalt–germanium compound with a manganese–cobalt–arsenic compound. —Neetika Walter, Interesting Engineering, 9 Dec. 2025

Additionally, wastewater treatment processes are required to limit the discharge of manganese into the environment. —Angela Velasquez, Sourcing Journal, 9 Dec. 2025

Nutrients Brown rice is a better source of vitamins and minerals, including vitamin B6, manganese, and magnesium. —Jillian Kubala, Health, 8 Dec. 2025

Similar trends were seen in manganese and cobalt. —Paul Rogers, Mercury News, 2 Dec. 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