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Semimajor axis
noun
Definitions
1.
noun
Half of the major axis of a circle or ellipse.
2.
noun
Half of the distances between the two branches of a hyperbola.
Synonyms
semiminor axis
semi-major axis
minor axis
major axis
semiaxis
semicircumference
semiarc
semidiameter
supercircle
conjugate axis
semimeridian
parameter
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