Main Entry:

stoi·chi·om·e·try

Pronunciation:

\ˌstȯi-kē-ˈä-mə-trē\

Function:

noun

Etymology:

Greek stoicheion element (from stoichos row) + English -metry; akin to Greek steichein to walk, go — more at stair

Date:

1807

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 activity2 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