1. of, relating to, or constituting a neighborhood or nearby area
Usage: formal
2. having atoms or groups on adjacent carbon atoms
Usage: chemistry

Examples

• The vicinal properties were all affected by the new construction project.
• Residents of vicinal areas were invited to the community meeting.
• The vicinal streets experienced increased traffic during the festival.
• In organic chemistry, vicinal diols have hydroxyl groups on adjacent carbons.
• The vicinal coupling constant helps determine molecular structure.
• Vicinal dibromides are useful intermediates in synthetic chemistry.