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Noun: stereoisomer  ,ste-ree-ow'I-su-mu(r)
  1. Any of a group of isomers in which atoms are linked in the same order but differ in their spatial arrangement.
    "A configurational stereoisomer is a stereoisomer of a reference molecule that has the opposite configuration at a stereocenter (e.g., R- vs S- or E- vs Z-)."

Derived forms: stereoisomers

Type of: isomer

Encyclopedia: Stereoisomer