semiminor axis

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sem′i•mi′nor ax′is

(ˈsɛm iˈmaɪ nər, ˈsɛm aɪ-, ˌsɛm i-, ˌsɛm aɪ-)
1. one half the minor axis of an ellipse.
2. one half the minor axis of the ellipse that one celestial body describes around another.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.semiminor axis - one-half the minor axis of an ellipse
axis - a straight line through a body or figure that satisfies certain conditions
minor axis - the shorter or shortest axis of an ellipse or ellipsoid
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