plural of orbitalis

(anatomy) A muscle that controls protrusion of the eyeball.

Situated around the orbit.

plural of orbital cavity

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

(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

(inorganic chemistry) A complex, typically of a transition element, in which the hybridization of the central metal atom utilizes d orbitals from the shell inside that of the outermost occupied shell

Synonym of ring road

(anatomy) In the skull, the ratio of the vertical height to the transverse width of the orbit, which is taken as the standard, equal to 100.