Orbital plane
orbital plane n.
The orbital surface of the maxilla that lies perpendicular to the Frankfort plane at the orbitale.
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- Orbital process
orbital process n. The anterior and larger of the two processes at the upper extremity of the vertical plate of the palatine bone, articulating with the upper jawbone and the ethmoid and sphenoid bones.
- Orbital-quantum-number
noun, Physics. 1. . noun, Physics. 1. the quantum number that designates the orbital angular momentum of a particular quantum state of an electron in an atom and that assumes integral values from zero to one less than the value of the principal quantum number. azimuthal quantum number See under quantum number.
- Orbital-sander
noun 1. a sander that uses a section of sandpaper clamped to a metal pad that moves at high speed in a very narrow orbit, driven by an electric motor.
- Orbital-velocity
noun 1. the minimum velocity at which a body must move to maintain a given orbit. noun 1. the velocity required by a spacecraft, satellite, etc, to enter and maintain a given orbit
- Orbitary
[awr-bit] /ˈɔr bɪt/ noun 1. the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun. 2. the usual course of one’s life or range of one’s activities. 3. the sphere of power or influence, as of a nation or person: a small nation in the Russian […]