- the axis of an ellipse that is perpendicular to the major axis at a point equidistant from the foci.
Origin of minor axis
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for minor axis
The detail of the minor-axis swivel head is shown in Fig. 4.The Boy Mechanic, Book 2
- the shorter or shortest axis of an ellipse or ellipsoid