achtbein

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English

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Etymology

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Equivalent to German acht (eight) + Beine (legs).

Noun

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achtbein (plural achtbeins)

  1. (mathematics, physics) Synonym of octad
    • 1991 August 13, C D Froggatt, H B Nielsen, Origin Of Symmetries[1], World Scientific, →ISBN, →OCLC, page 59:
      The extended siebenbein, or achtbein, va'i, has unit determinant and is constructed from the siebenbein eai and the 7 scalar fields ϕm as follows