An example of luminous is the sun.
An example of luminous is the smile of a beautiful girl.
A luminous green.
A luminous warmth seems to enfold me.
The name "firefly" is often applied also to luminous beetles of the family Lampyridae, to which the well-known glow-worm belongs.
In the dim shadow of the curtain her luminous eyes shone more brightly than usual from the tears of joy that were in them.
These forces have the same period and direction as the undisturbed luminous vibrations themselves.