antisymmetric

American  

[an-tee-si-me-trik, an-tahy-] / ˌæn ti sɪˈmɛ trɪk, ˌæn taɪ- /

Also antisymmetrical

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.”

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antisymmetric British  

/ ˌæntɪsɪˈmɛtrɪk /

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 sign Compare asymmetric symmetric

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Etymology

Origin of antisymmetric

First recorded in 1920–25; anti- + symmetric ( def. )