• synonyms


  1. of, relating to, or belonging to a neighborhood or district.
  2. neighboring; adjacent.
  3. Crystallography. noting a plane the position of which varies very little from that of a fundamental plane of the form.
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Origin of vicinal

1615–25; < Latin vīcīnālis, equivalent to vīcīn(us) near + -ālis -al1; see vicinity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for vicinal

Historical Examples

  • What is the difference between a natural and a vicinal location?

    Introduction to the Science of Sociology

    Robert E. Park

  • Then the gates of the Vicinal Way and that of the Bridge were closed.


    Walter Besant

  • Here we have the interplay of the forces of natural and vicinal location.

  • We find here some instances of those long, straight roads which it seems to be the highest ideal of the Vicinal Committee to make.


    G. E. Mitton

  • The sides of the pits and elevations are bounded by small faces which have the character of vicinal faces.

British Dictionary definitions for vicinal


  1. neighbouring
  2. (esp of roads) of or relating to a locality or neighbourhood
  3. chem relating to or designating two adjacent atoms to which groups are attached in a chain
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Word Origin

C17: from Latin vīcīnālis nearby, from vīcīnus, from vīcus a neighbourhood
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012