erythritol
noun
                                                                                                                            
                                                            eryth·ri·tol
                    
                                                                                                              
                                                                                                                                  i-ˈrith-rə-ˌtȯl 
                                                                                                                                  -ˌtōl 
                                                      
                                                          
            
                                
              
          
                                                      : a sweet crystalline alcohol C4H10O4 obtained especially from lichens, algae, and yeast or made by reduction of erythrose                                      
                
called also erythrol
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  Merriam-Webster unabridged




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