the former Chinese Empire.
an archaic or literary name for the Chinese Empire
the great circle of the celestial sphere, lying in the same plane as the earth’s equator. noun the great circle lying on the celestial sphere the plane of which is perpendicular to the line joining the north and south celestial poles Also called equinoctial, equinoctial circle celestial equator A great circle separating the northern and […]
See under globe (def 3). the planet Earth (usually preceded by the). a planet or other celestial body. a sphere on which is depicted a map of the earth (terrestrial globe) or of the heavens (celestial globe) a spherical body; sphere. anything more or less spherical, as a lampshade or a glass fishbowl. a golden […]
a guidance system for an aeronautical or space vehicle by which an automatic device in the vehicle takes periodic fixes on celestial bodies to determine the vehicle’s position and to guide it along a particular flight path. noun the guidance of a spacecraft or missile by reference to the position of one or more celestial […]
hierarchy (def 6).