semimajor axis
semimajor axis
Definition
semi·major axis (-mā′jər)
noun
Astron. one half of the longer axis of an elliptical orbit
semimajor axis
Usage Examples
Preposition: of
- orbit: The semimajor axis of a planetary orbit is also the average distance from the planet to its primary.
Browse dictionary entries near semimajor axis
- semilunar valve
- semilunar
- semillon
- semiliterate
- semiliquid
- semilegendary
- semihard
- semigloss
- semiformal
- semifluid
- semiminor axis
- semimonthly
- seminal
- seminar
- seminarian
- seminary
- semination
- seminiferous
- Seminole
- seminoma
