See Also: Manganese(medicine)
manganese(dictionary)
manganese(encyclopedia)
manganese(dictionary)
manganese compounds(medicine)
manganese peroxidase(medicine)
Manganese Bronze(finance)
Manganese sulfate(health)
Manganese chloride in plastic container(health)

manganese (iou)



manganese noun. L17.
[French manganese from Italian manganese, unexpl. alt. of medieval Latin magnesia, mangnesia MAGNESIA.]
1. A black mineral substance consisting largely of the dioxide of manganese (sense 2), used from ancient times in glass-making, and now in many industrial processes. Also black manganese. L17.
2. A hard grey brittle chemical element, atomic no. 25, which is one of the transition metals and is used in steels and magnetic alloys. (Symbol Mn.) L18.
Comb. & phrases: black manganese: see sense 1 above; grey manganese = MANGANITE 1; manganese bronze an alloy of copper and zinc with manganese; manganese nodule a small friable concretion of manganese and iron oxides, found on or in sediments on the ocean floor worldwide; manganese-purple = manganese violet below; manganese spar (a) = RHODONITE; (b) = RHODOCHROSITE; manganese steel any of various hard steels containing manganese; manganese violet a purple manganese-containing phosphate pigment used in the decoration of ceramics.
manganesian adjective (chiefly Mineralogy) of or containing manganese L18.