MB vs mebibyte

MB and mebibyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
MB	Yes	No	No	No
mebibyte	Yes	No	No	No

As nouns, MB and mebibyte are synonyms defined as:

MB and mebibyte: a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes

Other synonyms of MB include M, megabyte, MiB.

MB (noun)	mebibyte (noun)
(a British degree) a bachelor's degree in medicine	a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes