strophanthin
noun
                                                                                                                            
                                                            stro·phan·thin
                    
                                                                                                              
                                                                                                                                  strō-ˈfan(t)-thən  
                                                      
                                                          
            
                                
              
          
                                                      : any of several glycosides (such as ouabain) or mixtures of glycosides from African plants (genera Strophanthus and Acokanthera) of the dogbane family                                      
                
                                
            especially                
          
                                                      : a bitter toxic glycoside C36H54O14 from a woody vine (Strophanthus kombé) used similarly to digitalis                                      
            
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  Merriam-Webster unabridged




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