noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A rare, hard, silvery-white, inert metallic chemical element (symbol Rh) with an atomic number of 45. uncountable, usually
2. 2
   a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum wordnet
3. 3
   A single atom of this element. countable, usually

Synonyms

All synonyms

atomic number 45rhsilver

Etymology

Borrowed from New Latin rhodium, from Ancient Greek ῥόδον (rhódon, “rose”), because of the colour of its salts' solutions.

Related phrases

rhodium trichloriderhodium-goldatomic numberrhodium wood

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.