SG Heritage Dictionary

Rhodium [Noun] Webster's Dictionary 1828

A metal recently discovered among grains of crude platinum.

Rhodium [Noun] Webster's Dictionary 1913

A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is very difficult to fuse. Symbol Rh. Atomic weight 104.1. Specific gravity 12.

Rhodium Encyclopedia Britannica

RHODIUM. See Platinum.

9th ed. Encyclopædia Britannica, vol. 20, p. 526
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