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vicinal

adjective vic·i·nal \ ˈvi-sə-nəl , ˈvis-nəl \

Definition of vicinal

1 : of or relating to a limited district : local
2 : of, relating to, or substituted in adjacent sites in a molecule
  • a vicinal disulfide group

Origin and Etymology of vicinal

Latin vicinalis, from vicinus neighbor, from vicinus, adjective, neighboring

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