Found 2 items, similar to vicinal.
English → English (WordNet) Definition: vicinal vicinal adj : belonging to or limited to a vicinity
English → English (gcide) Definition: Vicinal 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]