Simple Definition of manganese

from our Learner's Dictionary

manganese

noun

ˈmæŋgəˌniːz How to pronounce manganese (audio)
: a grayish-white usually hard metal that breaks easily

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“Manganese.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/manganese. Accessed 17 Apr. 2026.

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