vicinal

[vis-uh-nl]
adjective
  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.

Origin of vicinal

1615–25; < Latin vīcīnālis, equivalent to vīcīn(us) near + -ālis -al1; see vicinity
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British Dictionary definitions for vicinal

vicinal

adjective
  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

Word Origin for vicinal

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