pentaerythritol tetranitrate

noun

pen·​ta·​eryth·​ri·​tol tet·​ra·​ni·​trate ˌpen-tə-i-ˈri-thrə-ˌtȯl-ˌte-trə-ˈnī-ˌtrāt 

-trət,

-ˌtōl-

: petn

Word History

First Known Use

1923, in the meaning defined above

Medical Definition

pentaerythritol tetranitrate

noun

pentaerythritol tet·​ra·​ni·​trate -ˌte-trə-ˈnī-ˌtrāt, -trət 

: a crystalline ester C₅H₈N₄O₁₂ made by nitrating pentaerythritol and used in the treatment of angina pectoris