antiparallel

[an-tee-par-uh-lel, an-tahy-]

adjective Mathematics, Physics.

(of two vectors) pointing in opposite directions.

Nearby words

  1. antiodontalgic,
  2. antioncogene,
  3. antioxidant,
  4. antiozonant,
  5. antiparabema,
  6. antiparasitic,
  7. antiparticle,
  8. antipasto,
  9. antipater,
  10. antipathetic

Origin of antiparallel

First recorded in 1650–60; anti- + parallel

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for antiparallel

antiparallel

adjective

physics parallel but pointing in the opposite direction
maths (of vectors) parallel but having opposite directions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012