antiparallel: Meaning and Definition of

an•ti•par•al•lel

Pronunciation: (an"tē-par'u-lel", an"tī-), [key]
— adj. Math, Physics.
  1. (of two vectors) pointing in opposite directions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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