1. 
   Periodide
   Per·i'o·dide noun [ Prefix per- + iodide .] An iodide containing a higher proportion of iodine than any other iodide of the same substance or series.
   Found op http://www.encyclo.co.uk/webster/P/56
   
   
2. 
   Periodide
   • (n.) An iodide containing a higher proportion of iodine than any other iodide of the same substance or series.
   Found op http://thinkexist.com/dictionary/meaning/periodide/
   
   

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