Source of illumination (5,4)
'source of illumination' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for light that I've seen before include "Illumination weights little" , "Hint, clue" , "Weightless; lamp" , "Not heavy; illuminate" , "answer to clue" .)
'source of illumination' is the definition.
(torch is a kind of source of illumination)
This is the entire clue.
(Other definitions for torch that I've seen before include "Small hand-held battery lamp" , "source of enlightenment" , "Portable lamp; set alight" , "Flashlight" , "Small portable battery-powered electric lamp" .)
'source of illumination' is the definition.
(lamp is a kind of source of illumination)
This is the entire clue.
(Other definitions for lamp that I've seen before include "Clout" , "Table light" , "bulb" , "Source of light, usually portable" , "Artificial source of illumination" .)
'source of illumination' is the definition.
(light bulb is a kind of source of illumination)
This is the entire clue.
(Other definitions for light bulb that I've seen before include "glower" , "that'll brighten your surroundings" , "Source of illumination" , "One should make things clear" , "(Electric) lamp" .)