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

Each one delivers a range of vitamins and minerals, including vitamin C, vitamin A (from carotenoids like beta-carotene), folate and smaller amounts of manganese and vitamin K. —Daryl Austin, USA Today, 16 Oct. 2025

Second, a dilute hydrochloric acid is used to dissolve the remaining lithium and the transition metals—nickel, cobalt, and manganese. —Aman Tripathi, Interesting Engineering, 12 Oct. 2025

This dark leafy green provides a good source of folate, vitamin A, vitamin E, vitamin K, iron, and manganese. —Jillian Kubala, Health, 1 Oct. 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

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