Become visible (6)
'become visible' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for emerge that I've seen before include "Become gradually apparent" , "Come into existence" , "Emanate" , "Come into view" , "Develop" .)
'become visible' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for appear that I've seen before include "Seem, look" , "Present oneself" , "hove in sight" , "Come on the market" , "Seem - emerge" .)