methenamine
noun
me·the·na·mine mə-ˈthē-nə-ˌmēn 
-mən
: hexamethylenetetramine especially when used in the form of an organic salt to treat urinary tract infections
Word History
Etymology
methene (methylene) + amine
First Known Use
1926, in the meaning defined above
Medical Definition
methenamine
noun
me·the·na·mine mə-ˈthē-nə-ˌmēn -mən
-mən : a crystalline compound used in the form of its mandelate C6H12N4·C8H8O3 or hippurate C6H12N4·C9H9NO3 as a urinary antiseptic especially to treat bacteriuria associated with cystitis and pyelitis
called also hexamethylenetetramine, hexamine
see mandelamine