| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Earth axis | Aerospace | Any one of a set of mutually perpendicular reference axes established with the upright axis (the Z-axis) pointing to the center of the earth, used in describing the position or performance of an aircraft or other body in flight. The earth axes may remain fixed or may move with the aircraft or other object. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||