from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of, belonging to, or restricted to a limited area or neighborhood; local.
  • adjective Relating to or being a local road.
  • adjective Mineralogy Approximating, resembling, or taking the place of a fundamental crystalline form or face.
  • adjective Chemistry Of or relating to the consecutive positions on a ring or chain of carbon atoms.

from The Century Dictionary.

  • 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 the GNU version of the Collaborative International Dictionary of English.

  • adjective Near; vicine.
  • adjective (Organic Chem.) Having the substituted groups on the same carbon atom.
  • adjective (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

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

  • adjective belonging to or limited to a vicinity


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

[Latin vīcīnālis, from vīcīnus, neighboring; see vicinity.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin vīcīnālis.



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