Dictionary

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>
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Origin of VICINAL

Latin vicinalis, from vicinus neighbor, from vicinus, adjective, neighboring
First Known Use: circa 1623

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