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

Chia seeds are also a good source of magnesium, manganese, and copper, and are high in calcium, a mineral required for bone and heart health. — Jillian Kubala, Health, 22 June 2026

Walnuts also provide magnesium, manganese, copper, vitamin B6 and a host of other nutrients — a key feature of whole foods that experts say supplements can’t match. — Sandee Lamotte, CNN Money, 18 June 2026

As per the press release, this system has a 90 percent recovery rate for critical metals such as lithium, graphite, nickel, cobalt, and manganese. — Mrigakshi Dixit, Interesting Engineering, 9 June 2026

Plus, this functional dessert contains prebiotics (a type of fiber that feeds the beneficial microbes in the gut), as well as iron, magnesium, copper, and manganese. — Amber J. Tresca, Verywell Health, 5 June 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