Bible Dictionaries
Manganese

Webster's Dictionary

(n.) An element obtained by reduction of its oxide, as a hard, grayish white metal, fusible with difficulty, but easily oxidized. Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc. Symbol Mn. Atomic weight 54.8.

Bibliography Information
Webster, Noah. Entry for 'Manganese'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​m/manganese.html. 1828.