rhodium


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rho·di·um

 (rō′dē-əm)
n. Symbol Rh
A hard, durable, silvery-white metallic element that is used to form high-temperature alloys with platinum and is plated on other metals to produce a durable corrosion-resistant coating. Atomic number 45; atomic weight 102.905; melting point 1,964°C; boiling point 3,695°C; specific gravity 12.41 (20°C); valence 2, 3, 4, 5, 6. See Periodic Table.

[Greek rhodo-, rhodo- + -ium.]

rhodium

(ˈrəʊdɪəm)
n
(Elements & Compounds) a hard corrosion-resistant silvery-white element of the platinum metal group, occurring free with other platinum metals in alluvial deposits and in nickel ores. It is used as an alloying agent to harden platinum and palladium. Symbol: Rh; atomic no: 45; atomic wt: 102.90550; valency: 2–6; relative density: 12.41; melting pt: 1963±3°C; boiling pt: 3697±100°C
[C19: New Latin, from Greek rhodon rose, from the pink colour of its compounds]

rho•di•um

(ˈroʊ di əm)

n.
a silvery white metallic element of the platinum family, forming salts that give rose-colored solutions: used to electroplate metals to prevent corrosion. Symbol: Rh; at. wt.: 102.905; at. no.: 45; sp. gr.: 12.5 at 20°C.
[1804; < New Latin; see rhodo-, -ium2]

rho·di·um

(rō′dē-əm)
Symbol Rh A rare, silvery-white metallic element that is hard, durable, and resistant to acids. It is used as a permanent plating for jewelry and is added to platinum to make hard alloys that can withstand high temperatures. Atomic number 45. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rhodium - a white hard metallic element that is one of the platinum group and is found in platinum oresrhodium - a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Translations
родий
rhodium
rhodium
rodio
roodium
rodium
rodij
ródium
ródín
rodio
ロジウム
rodis
rhodium
rhodium
rod
rodiu
ródium
rodij
rodium
rodyum

rhodium

[ˈrəʊdɪəm] Nrodio m

rhodium

n (Chem) → Rhodium nt
References in periodicals archive ?
With no primary mines for rhodium, supply will be cut as Impala Platinum Holdings Ltd.
The decrease in Chinese investment started in 2017 due to regulatory measures in both countries, according to Rhodium Group.
Metals like rhodium and platinum are really expensive, but as the work has evolved, we realized that there's a lot more to it than simply pricing.
Having created 24k gold lenses in an 18k gold aviator frame last year, the British brand is now the first to incorporate rhodium lenses into the design, according to the company.
With Outlook Stable, it has also assigned Rhodium a senior unsecured rating of 'B-', a Recovery Rating of 'RR4' and its proposed senior unsecured US dollar notes an expected rating of 'B-(EXP)'.
Rhodium's incident management capabilities allow incident commanders to quickly review pre-plan data, view current situation status, and document actions from a user-friendly touch screen focused interface.
showed that the chiral rhodium dimmer, IV (Figure 1), can be easily synthesized and used as a catalyst for the enantioselective addition of ethyl-diazoacetate to terminal acetylenes [46-48].
The technique, which also extracts palladium and rhodium used in the catalytic converters attached to exhausts, is part of a push to double sales from recycling to e1/45 billion ($6 billion) in five years.
Dial 015 black, lacquer, 12 rhodium coloured applied indexes silver coloured printed Rado logo
This makes the NPL model robust compared with conventional platinum/platinum rhodium thermocouples.
today announced the development of a new catalyst which reduces by 50% the use of rhodium, one of the precious metals used in a catalyst.
So when Cathleen Crudden and her team at Queen's University found a complex of rhodium that binds oxygen and changes colour while leaving its crystal structure intact, they knew they were on to something unique.