Not occurring naturally; produced by man.
M.E., from O.Fr., from L. artificialis "belonging to art," from artificium "craftsmanship."
Sâxtegi "artificial," from sâxtan "to build, to make," → structure.
Fr.: horizon artificiel
A shallow flat vessel filled with → mercury or some other viscous → liquid used in special → sextant for measuring altitudes of celestial bodies at sea in the absence of a → visible horizon.
→ artificial; → horizon.
Fr.: langue artificielle
An artificially created language system for international communication or for a specific intellectual or scientific purpose. Examples include Esperanto, computer programing languages, → symbolic logic, and → tensor analysis.
→ artificial; → language.
Fr.: lumière artificielle
Any light other than that which proceeds from the heavenly bodies.
→ artificial; → light.
Fr.: satellite artificiel
A man-made equipment that orbits around Earth or a solar system body.
→ artificial; → satellite.
Fr.: étoile artificielle
In → adaptive optics, a point source created on the sky by means of a laser beam in order to correct for the → atmospheric turbulence. A laser tuned to the wavelength of 589 nm will excite sodium atoms at an altitude of ~ 100 km in the Earth's atmosphere, producing an artificial "star."
→ artificial; → star.