Main Entry: ste·reo·iso·mer

Pronunciation: \ˌster-ē-ō-ˈī-sə-mər, ˌstir-\

Function: noun

Etymology: International Scientific Vocabulary

Date: 1894

: any of a group of isomers in which atoms are linked in the same order but differ in their spatial arrangement

— ste·reo·iso·mer·ic \-ˌī-sə-ˈmer-ik\ adjective

— ste·reo·isom·er·ism \-ī-ˈsä-mə-ˌri-zəm\ noun