1. 
   Orcin
   Or'cin noun [ Etymology uncertain: confer French orcine .] (Chemistry) A colorless crystalline substance, C ₆ H ₃ .CH ₃ .(OH) ₂ , which is obtained from certain lichens ( Roccella , Lecan...
   Found op http://www.encyclo.co.uk/webster/O/29
   
   
2. 
   orcin
   <chemistry> A colourless crystalline substance, C6H3.CH3.(OH)2, which is obtained from certain lichens (Roccella, Lecanora, etc), also from extract of aloes, and artificially from certain derivatives of toluene. It changes readily into orcein. ... Origin: Etymology uncertain: cf. F. Orcine. .....
   Found op http://www.mondofacto.com/facts/dictionary?orcin
   
   
3. 
   Orcin
   • (n.) A colorless crystalline substance, C6H3.CH3.(OH)2, which is obtained from certain lichens (Roccella, Lecanora, etc.), also from extract of aloes, and artificially from certain derivatives of toluene. It changes readily into orcein.
   Found op http://thinkexist.com/dictionary/meaning/orcin/
   
   
4. 
   orcin
   Type: Term Pronunciation: ōr′sin Synonyms: orcinol
   Found op http://www.medilexicon.com/medicaldictionary.php?t=63174
   
   

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