the axis of a conic section, which passes through the foci, esp. the longer axis of an ellipse; also called principal axis, transverse axis.
| 单词 | θ421 |
| 释义 | the world > the universe > planet > planetary movement > [noun] > orbit > major axis (1) major axis1840 the axis of a conic section, which passes through the foci, esp. the longer axis of an ellipse; also called principal axis, transverse axis. |
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