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antiparallel

Pronunciation: an′tē-par′ă-lel

Definition:

  1. Denoting molecules that are parallel but have opposite directional polarity, the two strands of a DNA double helix.
  2. Denoting the spins of two electrons occupying the same orbital area but with different spin quantum numbers.

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

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