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

An ounce of chia seeds covers over a third of your daily fiber needs and also covers over 20% of your needs for the minerals magnesium, selenium, manganese, and copper. —Jillian Kubala, Health, 25 Sep. 2025

However, the cathode materials, particularly layered sodium manganese oxides (Na2/3MnO2), often suffer from degradation. —Aman Tripathi, Interesting Engineering, 17 Sep. 2025

While both oatmeal and millet are rich in manganese, phosphorus, and magnesium, millet provides antioxidants that can help reduce oxidative stress. —Mira Miller, Verywell Health, 15 Sep. 2025

The dating technique used on the eggs, known more formally as carbonate uranium-lead, or U-Pb, dating, is a common process for determining the age of carbonate minerals — those containing calcium, iron, manganese and magnesium. —Mindy Weisberger, CNN Money, 12 Sep. 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