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semimajor axis
(semi|major axis)
noun
Geometry
either of the halves of the major axis of an ellipse.
More words in this category
axis
1
conic section
cylinder
directrix
edge
exterior angle
geographical latitude
hyperboloid
let
1
ovoid
paraboloid
polar
pole
2
projective
quadrilateral
section
spherical
tractrix
trapezoid
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