Prefix with byte or ton (4)

I believe the answer is:

mega

(Other definitions for mega that I've seen before include "Smashing" , "Great - denoting a million" , "Big" , "Great American" , "Very large (colloq.)" .)

I've seen this clue in the King Feature Syndicate.

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.