Wiktionary (0.00 / 0 votes) Rate this definition: ignorant (Adjective). Unknowledgeable or uneducated; characterized by ignorance. ignorant (Adjective). Ill-mannered, crude. His manner was at best off-hand, at worst totally ignorant.
1 Megabyte (MB), a measure of amount of information used, for example, to quantify computer memory or storage capacity. 2  Megabit (Mb, or properly: Mbit), a measure of amount of information.  MikroBitti (formerly MB), a Finnish computer magazine.
mb stands for megabyte and is made up of approximately 1000 bytes about 1000 megabytes makes up one gb as in gigabyte most mobile phone tariffs will have a limit of a certain amount of megabytes or gigabytes of data that you re allowed to download per month