from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, belonging to, or restricted to a limited area or neighborhood; local.
  • adj. Relating to or being a local road.
  • adj. Mineralogy Approximating, resembling, or taking the place of a fundamental crystalline form or face.
  • adj. Chemistry Of or relating to the consecutive positions of substituted elements or radicals on a benzene ring.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of or pertaining to a neighborhood; neighboring.
  • adj. Describing identical atoms or groups attached to nearby (especially adjacent) atoms in a molecule.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Near; vicine.
  • adj. Having the substituted groups on the same carbon atom.

from The Century Dictionary and Cyclopedia

  • In organ. chem., noting the proximity, in the molecule of a cyclic compound, of two or more substituting groups or atoms. It is used especially of derivatives of benzene having groups in the positions 1,2,3.
  • Near; neighboring. [Rare.]

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. belonging to or limited to a vicinity


Latin vīcīnālis, from vīcīnus, neighboring; see vicinity.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin vīcīnālis. (Wiktionary)



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