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isomer vs. enantiomer

[ahy-suh-mer] / ˈaɪ sə mər /

noun

  1. Chemistry. a compound displaying isomerism with one or more other compounds.

  2. Also called nuclear isomerPhysics. a nuclide that exhibits isomerism with one or more other nuclides.

[ih-nan-tee-uh-mer] / ɪˈnæn ti ə mər /

noun

Chemistry.
  1. either of a pair of optical isomers that are mirror images of each other.