Medical breakthrough (4)

I think it could be either:

Which length description are you looking for?:

cure

'medical breakthrough' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for cure that I've seen before include "Heal or preserve" , "Make healthy, preserve" , "Make better - smoke" , "Remedy, therapy" , "Make well again" .)

I've seen this clue in the Newsday, the Universal, The New York Times and The Wall Street Journal.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.