semiminor axis

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sem′i•mi′nor ax′is

(ˈsɛm iˈmaɪ nər, ˈsɛm aɪ-, ˌsɛm i-, ˌsɛm aɪ-)
n.
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.
[1925–30]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive ?
The quadratic surface equation of an ellipsoid with its center at the origin, the semimajor axis along the x-axis, and the semiminor axes along the y and z axes can then be described by
The semifocal distance, semimajor and semiminor axes of the spheroid are denoted by f, a and b.
We denote the semifocal distance, semimajor and semiminor axes by [f.sub.1], [a.sub.1] and [b.sub.1] for the spheroidal particle surface, and by [f.sub.2], [a.sub.2] and [b.sub.2] for the outer surface of the dielectric coating.