| 释义 |
chro·mi·um
\ˈkrōmēəm, esp Brit -myəm\ noun
(-s)
Etymology: New Latin, from French chrome + New Latin -ium — more at chrome
: a blue-white multivalent metallic element hard and brittle as usually prepared and resistant to corrosion that is found only in combination and principally in the mineral chromite from which it is separated by the aluminothermic, silicothermic, or electrolytic process and that is used chiefly in alloys (as ferrochromium for use in chromium steel or as nickel-chromium electrical resistance alloys) and in electroplating (as for automobile bumpers and trim and for cutting tools) — symbol Cr; see element table |