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RH

1.
Meteorology, relative humidity.
Also, rh.

Rh

Physiology
1.

Rh

Symbol, Chemistry
1.

R.H.

1.
Royal Highness.

r.h.

1.
right hand.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for RH

rh

abbreviation
1.
right hand

Rh

Chemical symbol
1.
rhodium
abbreviation
2.
rhesus (esp in Rh factor)

RH

abbreviation
1.
Royal Highness
2.
(Republic of) Haiti (international car registration)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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RH in Medicine

Rh 1 (är'āch')
adj.
Of or relating to the Rh factor.

Rh 2

The symbol for the element rhodium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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RH in Science
Rh  
The symbol for rhodium.
rhodium
  (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 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.
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Related Abbreviations for RH

rh

  1. Reported in House [of Representatives]
  2. rheumatic

Rh

  1. Rhesus factor
  2. rhodium

RH

  1. Haiti (international vehicle ID)
  2. relative humidity
  3. releasing hormone
  4. right hand
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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