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

The other side of it is Africa contains the world’s largest copper deposits in the copper belt, manganese, cobalt, and indeed the rare earth minerals that are necessary for the transition. —Harvard Business Review, 13 Nov. 2025

Sweet Potatoes Sweet potatoes provide beta-carotene along with vitamin E and manganese, nutrients that help protect your skin, support collagen, and keep connective tissue strong. —Brianna Tobritzhofer, Health, 12 Nov. 2025

In a lithium-ion battery, the cathode is made of a metal oxide, typically containing metals such as nickel, manganese and cobalt, bonded with oxygen. —Golareh Jalilvand, The Conversation, 12 Nov. 2025

Persimmons also contain heart-healthy minerals, including potassium and manganese, both of which help to regulate blood pressure. —Mira Miller, Verywell Health, 10 Nov. 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