Main Entry: stoi·chi·om·e·try

Pronunciation: \ˌstȯi-kē-ˈäm-ə-trē\

Function: noun

Inflected Form(s): plural stoi·chi·om·e·tries

1 : a branch of chemistry that deals with the application of the laws of definite proportions and of the conservation of mass and energy to chemical activity
2 a : the quantitative relationship between constituents in a chemical substance b : the quantitative relationship between two or more substances especially in processes involving physical or chemical change

—stoi·chi·o·met·ric \-kē-ə-ˈme-trik\ adjective