Assuming that you mean light in the visible spectrum, it would mean that the thing is giving of radiation that is in the visible light spectrum
I think you are looking for the word Luminescent, as in the lightbulb was luminescent Lumin - meaning light escent - meaning giving or displaying Luminescent - something that gives out light
A black hole
fire
it means to glow or to shine or to have light
luminous
A person - usually well-known - who inspires or influences others; a person who is famous or important; a celebrity. I can also mean something that gives light; a celestial body such as the sun or moon.
call ur dad
To illuminate is to shed light on something. It can mean to actually light something up or to make something brighter. It is also used to mean to make something understandable as in to shed light on a subject or a puzzle, making a problem more clearly understandable or visible.
i think luminous means when something gives off light and non-luminous means when something does not give off light.
Oxy = Acid, Gono = Something that gives-produces something.
I think what you mean is a light house. light house means is tower with a light that gives warning of shoals to passing ships
Something is being normal .