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

Chickpeas are also a good source of several other nutrients, including fiber, magnesium, manganese, and folate. —Jillian Kubala, Health, 10 June 2025

One of the greatest potential dangers to that fragile ecosystem is deep-ocean mining—industrializing the untouched and unseen ocean floor to extract nickel, cobalt, copper, manganese, gold, silver, and more. —Jeffrey Kluger, Time, 5 June 2025

Maintaining and even improving bone health requires a diet with sufficient calcium, protein, vitamins C, D3 and K2, and trace minerals such as magnesium, boron, copper, manganese, potassium, phosphorous, nickel, vanadium, zinc, silicon, selenium and strontium. —Jia H. Jung, Mercury News, 4 June 2025

Prunes also contain manganese, an element that's essential in bone formation, as well as potassium. —Angelica Stabile, FOXNews.com, 4 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