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

And among all this life, minerals build up slowly over millennia in the form of sulfide deposits and manganese crusts. —Christian Elliott, Smithsonian Magazine, 21 Apr. 2025

Garlic is particularly susceptible to manganese toxicity,6 which can cause garlic plants to become stunted and produce scrawny cloves and incomplete bulbs. —Lauren Landers, Better Homes & Gardens, 17 Apr. 2025

The proposal, which drew immediate protests from environmental groups and diplomats from some countries, represents a radical shift in the contentious debate over accessing deposits on the sea floor that contain copper, cobalt, manganese and other metals that are needed for electric-car batteries. —Eric Lipton, New York Times, 28 Mar. 2025

Ukraine is rich in titanium, graphite, manganese and other rare earth metals used to produce electric vehicle batteries and other tech devices. —Frank A. Blazich Jr., The Conversation, 24 Mar. 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