(chemistry) manganic

(mineralogy) containing manganese / (chemistry) manganous

(geology) a concretion of oxides of manganese and iron found on the floor of many oceans

(geology) a dark gray mineral of manganese, MnO(OH), found throughout North America and Europe

Any of several alloys of copper, manganese and nickel used in the manufacture of electrical resistors because of the thermal stability of their resistance

plural of manganite

(physics) The only stable isotope of manganese, ⁵⁵₂₅Mn, having 25 protons and 30 neutrons

(obsolete) manganese

(mineralogy, metallurgy) Containing manganese

(metallurgy, dated) Containing manganese