plural of orbital index

plural of orbital index

plural of orbital cavity

(chemistry, physics) A molecular orbital, responsible for a covalent bond between two atoms, formed by overlap of their corresponding atomic orbitals

(physics, chemistry) A method of determining the structure of a molecule by assuming that electrons are not fixed to bonds between individual atoms

(astronomy) The sidereal year of a planet. (I.e., in the definition for "sidereal year", replace "Earth" by the given planet.)

(science fiction) A satellite or space station, found in many different works of science fiction, meant to defend a planet against attack from space.

Astrodynamics; the study of the movement of vehicles in space.

(ophthalmology, neurology) A collection of cranial nerve deficits associated with a mass lesion near the apex of the orbit, often leading to ophthalmoplegia.

(anatomy) A process of the palatine bone that forms part of the floor of the orbit.