semimajor axis

See also: semi-major axis

English

Alternative forms

Etymology

    From semi- + major axis.

    Noun

    semimajor axis (plural semimajor axes)

    1. (geometry) Half of the major axis of a circle or ellipse.
      Coordinate term: semiminor axis
    2. (geometry) Half of the distances between the two branches of a hyperbola.

    Translations

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