Mega
Definition 1 of 3
Pro Tip 1/3
Scale Indicator
Mega as a prefix suggests something is large enough to be impressive or noteworthy. That construction is a megastructure.
Pro Tip 2/3
Technology Related
When talking about technology, 'mega' often relates to digital storage and processing. This file is 5 megabytes.
Pro Tip 3/3
Formal Speech
'Mega' is more casual; use alternatives like 'extremely large' for formal writing. We secured a megacontract with the company.