semimajor axis
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See also: semi-major axis
English[edit]
Alternative forms[edit]
Etymology[edit]
From semi- + major axis.
Noun[edit]
semimajor axis (plural semimajor axes)
- (geometry) Half of the major axis of a circle or ellipse.
- Coordinate term: semiminor axis
- (geometry) Half of the distances between the two branches of a hyperbola.
Translations[edit]
half of the major axis of a circle or ellipse
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half of the distances between the two branches of a hyperbola