Main Entry: ste·reo·chem·is·try

Pronunciation: \ˌster-ē-ō-ˈkem-ə-strē, ˌstir-\

Function: noun

Inflected Form(s): plural ste·reo·chem·is·tries

1 : a branch of chemistry that deals with the spatial arrangement of atoms and groups in molecules
2 : the spatial arrangement of atoms and groups in a compound and its relation to the properties of the compound