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

Of particular interest are polymetallic nodules – agglomerations, typically smaller than a potato, containing manganese and other metals and found in the silt of the deep ocean floor. —Coalter G Lathrop, The Conversation, 13 Mar. 2026

Rely on the soil sample analysis to determine the levels of phosphorus, potassium, calcium, magnesium, zinc, manganese, and boron in your soil. —Mary Marlowe Leverette, Southern Living, 13 Mar. 2026

These polymetallic nodules, as they're known, take millions of years to form, slowly accumulating metals like nickel, cobalt and manganese. —Lauren Sommer, NPR, 13 Mar. 2026

Excess phosphorus may also interfere with the uptake of essential micronutrients such as iron, manganese and zinc, and negatively affect beneficial mycorrhizae. —Rita Perwich, San Diego Union-Tribune, 7 Mar. 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