Semi-axis

Semi-axis stands for:

• Semi-axes of the ellipse , the connection from the center point to the main and minor vertices in an ellipse
• the connection from the center to the vertices in a hyperbola, see hyperbola (mathematics)
• Sections of the orbit axis in Kepler ellipses in astronomy

See also :

• axis
• Main axis

This is a disambiguation page for differentiating between several terms identified with the same word.