1. 
   poison oak
   [n] - dermatitis resulting from contact with a poison oak plant
   Found op http://www.webdictionary.co.uk/definition.php?query=poison%20oak
   
   
2. 
   Poison oak
   Poison oak: Poison oak is a form of "contact dermatitis" or inflammation of the skin resulting from chemicals produced from the poison oak plant contacting the skin. The chemicals cause an immune reaction producing redness, itching and blistering of the skin.
   Found op http://www.medterms.com/script/main/art.html?articlekey=4970
   
   
3. 
   poison oak
   Poison oak is a form of contact dermatitis or inflammation of the skin resulting from chemicals produced from the poison oak plant contacting the skin. The chemicals cause an immune reaction producing redness, itching and blistering of the skin. ... (12 Dec 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?poison+oak
   
   
4. 
   poison oak
   noun dermatitis resulting from contact with a poison oak plant
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=poison%20oak
   
   
5. 
   poison oak
   either of two species of trees of the genus Rhus (western poison oak and eastern poison oak), which cause allergic reactions similar to that of poison ivy. See also Rhus dermatitis.
   Found op http://www.encyclo.co.uk/local/21001
   
   
6. 
   poison oak
   (from the article `Sapindales`) Many people know the Anacardiaceae because of the dermatitis caused by the resins of some species. The most notorious probably are poison oak ...
   Found op http://www.britannica.com/eb/a-z/p/85
   
   
7. 
   poison oak
   poison oak: see poison ivy.
   Found op http://www.infoplease.com/ce6/sci/A0917595.html
   
   
8. 
   Poison Oak
   The Poison oak (Rhus Toxicodendron) is a very poisonous American tree of the family Anacardiaceae.
   Found op http://www.probertencyclopaedia.com/browse/BPA.HTM
   
   
9. 
   Poison-oak
   Album cover for the 1959 album An Evening Wasted With Tom Lehrer, performed by Tom Lehrer ...
   Found op http://en.wikipedia.org/wiki/Poison-oak
   
   
10. 
    poisonoak
    1) Rash-inducing bush
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/poisonoak/1
    
    

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