rhodium

Meanings

1. 1
   noun

   the rare, hard, silvery-white chemical element with symbol Rh and atomic number 45, belonging to the platinum group

   Rhodium is used in catalytic converters because it helps reduce nitrogen oxides in exhaust gases.

Borrowed from New Latin rhodium, formed from Greek rhodon ("rose"). William Hyde Wollaston named the element in 1804 for the rose-red color of solutions of some of its salts.

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