Meaning of vicinal

vic•i•nal

Pronunciation: (vis'u-nl), [key]
— adj.
  1. of, pertaining to, or belonging to a neighborhood or district.
  2. neighboring; adjacent.
  3. noting a plane the position of which varies very little from that of a fundamental plane of the form.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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