Emit (light) (7)
'emit light' is the definition.
(synonyms)
This is all the clue.
(Other definitions for shine that I've seen before include "Administrator for monarch who is a minor" , "Dazzle" , "Give off bright light" , "Glow; polish" , "Beam" .)
'emit light' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for radiate that I've seen before include "A tirade (anag)" , "Spoke out" , "Emit (rays or waves)" , "Emit light/heat" , "broadcast" .)