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Pronunciation: or'e-en-ta'shun


  1. The recognition of one's temporal, spatial, and personal relationships and environment.
  2. The relative position of an atom with respect to another atom to which it is connected, the direction of the bond connecting them.

[Fr. orienter, to set toward the east, therefore in a definite position]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.