stereoisomerism

[ster-ee-oh-ahy-som-uh-riz-uh m, steer-] /ˌstɛr i oʊ aɪˈsɒm əˌrɪz əm, ˌstɪər-/
noun, Chemistry
1.
the isomerism ascribed to different relative positions of the atoms or groups of atoms in the molecules of organic compounds.
Origin
1890-95; stereo- + isomerism
British Dictionary definitions for stereoisomerism

stereoisomerism

/ˌstɛrɪəʊaɪˈsɒməˌrɪzəm; ˌstɪər-/
noun
1.
(chem) isomerism caused by differences in the spatial arrangement of atoms in molecules
Derived Forms
stereoisometric (ˌstɛrɪəʊˌaɪsəˈmɛtrɪk; ˌstɪər-) adjective
stereoisomerism in Medicine

stereoisomerism ster·e·o·i·som·er·ism (stěr'ē-ō-ī-sŏm'ə-rĭz'əm, stēr'-)
n.
Isomerism created by differences in the spatial arrangement of atoms in a molecule.

ster'e·o·i'so·mer'ic (-ī'-sə-měr'ĭk) adj.