'Vicinal' definitions:
Definition of 'vicinal'
(from WordNet)
adjective
Belonging to or limited to a vicinity
Definition of 'Vicinal'
From: GCIDE
- Vicinal \Vic"i*nal\ (?; 277), a. [L. vicinalis: cf. F. vicinal.]
- 1. Near; vicine. --T. Warton. [1913 Webster]
- 2. (Organic Chem.) Having the substituted groups on the same carbon atom. [PJC]
- Vicinal planes (Min.), subordinate planes on a crystal, which are very near to the fundamental planes in angles, and sometimes take their place. They have in general very complex symbols. [1913 Webster]