SCIENCE|natural and applied sciences|life sciences · TRANSPORT · TRANSPORT|land transport|land transport
- ais Domhain Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- Earth axis
- en
- Definition any one of a set of mutually perpendicular reference axes,established with the upright axis(the z-axis)pointing to the centre of the Earth.Used in describing the position or performance of an aircraft or other body in flight Reference Multilingual Aeronautical Dictionary(AGARD,1980)