- noun a metallic trace element. It is essential for biological life and is also used in making steel.
- An alloy that is added to most steels as a hardener and deoxidizer.
- A pinkish-gray, lustrous, and brittle chemical element with atomic number 25. It has four allotropic forms, is reactive, and has about 20 isotopes, of which one is stable. It is used in many alloys, including those which are ferromagnetic, and in batteries. Its chemical symbol is Mn.
- chemical symbolMn
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