hexamethylenetetramine
noun
hexa·meth·y·lene·tet·ra·mine ˌhek-sə-ˈme-thə-ˌlēn-ˈte-trə-ˌmēn 
: a crystalline compound C6H12N4 used especially as an accelerator in vulcanizing rubber and as a urinary antiseptic compare methenamine
Word History
Etymology
International Scientific Vocabulary hexa- + methylene + tetra- + amine
First Known Use
1888, in the meaning defined above
Medical Definition
hexamethylenetetramine
noun
hexa·meth·y·lene·tet·ra·mine -ˈmeth-ə-ˌlēn-ˈte-trə-ˌmēn
: methenamine