artificial light

:  humanly contrived (see contrive 1b) often on a natural model :  man-made

:  having existence in legal, economic, or political theory

:  caused or produced by a human and especially social or political agency

:  something that makes vision possible

:  the sensation aroused by stimulation of the visual receptors

:  electromagnetic radiation of any wavelength that travels in a vacuum with a speed of 299,792,458 meters (about 186,000 miles) per second

:  having light :  bright

:  not dark, intense, or swarthy in color or coloring :  pale

:  medium in saturation and high in lightness

:  to become light :  brighten

:  to take fire

:  to set fire to

:  having little weight :  not heavy

:  designed to carry a comparatively small load

:  having relatively little weight in proportion to bulk

:  lightly

:  with little baggage

:  dismount

:  settle, alight

:  to arrive by chance :  happen