rhodium

[roh-dee-uhm]

rho·di·um

[roh-dee-uhm]
noun Chemistry.
a silvery-white metallic element of the platinum family, forming salts that give rose-colored solutions: used to electroplate microscopes and instrument parts to prevent corrosion. Symbol: Rh; atomic weight: 102.905; atomic number: 45; specific gravity: 12.5 at 20°C.

Origin:
1804; < Neo-Latin; see rhod-, -ium
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To rhodium

00:10

00:09

00:08

00:07

00:06

00:05

00:04

00:03

00:02

00:01

Rhodium is always a great word to know.
So is retort. Does it mean:
with all water removed, especially water of crystallization
a vessel, commonly a glass bulb with a long neck bent downward, used for distilling or decomposing substances by heat
Collins
World English Dictionary
rhodium (ˈrəʊdɪəm)
 
n
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]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

rhodium rho·di·um (rō'dē-əm)
n.
Symbol Rh
A hard durable metallic element. Atomic number 45; atomic weight 102.905; melting point 1,964°C; boiling point 3,700°C; specific gravity 12.41; valence 2, 3, 4, 5, 6.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
rhodium   (rō'dē-əm)  Pronunciation Key 
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 high-temperature alloys. Atomic number 45; atomic weight 102.905; melting point 1,966°C; boiling point 3,727°C; specific gravity 12.41; valence 2, 3, 4, 5, 6. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT