A hard, gray-white metallic chemical element, one of the platinum metals, used in alloys with platinum and gold in thermocouples and as an electrical contact material, and in unalloyed form to electroplate optical instruments, silverware, jewelry, etc.: symbol, Rh; at. no. 45
Webster's New World
- atomic number 45
Origin of Rhodium
From Ancient Greek ῥόδον (rhodon, “rose"), because of the colour of its salts' solutions.
Greek rhodo- rhodo- –ium
From American Heritage Dictionary of the English Language, 5th Edition
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