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.