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antisymmetric

or an·ti·sym·met·ri·cal

[an-tee-si-me-trik or an-tee-si-me-tri-kuh l; an-tahy-]
adjective Mathematics.
  1. noting a relation in which one element's dependence on a second implies that the second element is not dependent on the first, as the relation “greater than.”

Origin of antisymmetric

First recorded in 1920–25; anti- + symmetric
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for antisymmetric

antisymmetric

adjective
  1. logic (of a relation) never holding between a pair of arguments x and y when it holds between y and x except when x = y, as "…is no younger than…"See nonsymmetric
  2. maths symmetric except for a change of signCompare asymmetric, symmetric (def. 1)
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