Meaning of semimajor axis
Pronunciation: (sem'ē-mā'jur, sem'ī-, sem"ē-, [key]
- one half the major axis of an ellipse.
- one half the major axis of the ellipse that one celestial body describes around another, as a planet around the sun or a satellite around a planet, equivalent to the mean distance between the two bodies.
- semimajor axis (Thesaurus)