Vicinal

Vicinal may refer to:


 * Vicinal (chemistry), stands for any two functional groups bonded to two adjacent atoms.
 * Vicinal (logology), a word where all letters have alphabetic neighbors.
 * Vicinal tramway or Buurtspoor, a system of narrow gauge tramways or local railways in Belgium.
 * In materials science, a "vicinal substrate" is a thin-film substrate whose surface normal deviates slightly from a major crystallographic axis.