OrbanisationNon-Oxford British spelling of Orbanization.
OrbanizationThe process by which a (typically Western) democracy becomes undemocratic as an authoritarian leader takes control of its institutions and degrades the rule of law in order to remain in power.
OrbanomicsThe economic ideas and policies of Hungarian prime minister Viktor Orbán and his government.
orbateBereft (of anything); especially: fatherless or childless.
orbatideA group of bioactive cyclic ribosomally synthesized and posttranslationally modified peptides of natural plant sources
orbationThe state of being orbate, or deprived of parents or children; privation, in general; bereavement.
orbiculaA dorsal sclerite over a hymenopteran arolium; a hard exoskeletal feature with species-specific shape that overhangs and protects the adhesive tip of such an insect's leg and around which the claw(s) curl. Abbreviation "or" or "rb".
OrbisonianOf or relating to Roy Orbison (1936–1988), American singer-songwriter known for his distinctive, powerful voice, complex compositions, and dark emotional ballads.
orbispaceA topological space or generalization of an orbifold.
orbitAn elliptical movement of an object about a celestial object or Lagrange point, especially a periodic elliptical revolution.
orbitalOf or relating to, or forming an orbit (such as the orbit of a moon, planet, or spacecraft).
orbitalisA muscle that controls protrusion of the eyeball.
orbitolinidAny foraminifer in the family Orbitolinidae.
orbitomaxillaryOf or pertaining to the orbit of the eye and the upper jawbone.
orbitomeatalRelating to the orbit of the eye and the meatus of the ear
orbitomedialRelating to the orbital gyrus and the medial prefrontal cortex
orbitonA quasiparticle, corresponding to the orbital energy of an electron, which can result from an electron apparently ‘splitting’ under certain conditions.
orbitonasalOf, pertaining to, or between the eye socket and the nose.
orbitrapA mass analyzer consisting of an outer barrel-like electrode and a coaxial inner spindle-like electrode that traps ions in an orbital motion around the spindle. The image current from the trapped ions is detected and converted to a mass spectrum using the Fourier transform of the frequency signal.
OrchestonA village and civil parish on Salisbury Plain, mid Wiltshire, England (OS grid ref SU0545).
orchestraA large group of musicians who play together on various instruments, usually including some from strings, woodwind, brass and/or percussion; the instruments played by such a group.
orchestralRelating to an orchestra or to music played by an orchestra.