megabyte

noun

1. (formal)One million (10⁶, or 1,000,000) bytes or 1,000 kilobytes.

   “The IBM 2301 Drum Storage (Figure 20) provides random access storage of approximately 4 million bytes at a data rate of 1.2 megabytes per second.”

   “This 70-megabyte [69,889,536 bytes] data module contains fixed heads in addition to the normal access heads.”

   “AT&T Wireless Services Inc. in Redmond, Washington, is currently offering $1 per megabyte as its cheapest rate for General Packet Radio Service wireless service, which can provide 20K to 40K bit/sec. throughput. But that price is only if a subscriber buys the most megabytes per month now being offered: 200MB of data for $199 a month.”

   “The overage charge on this plan has been reduced to 10 cents per megabyte over the limit. Previously, the company charged 25 cents per megabyte for overages.”

2. (informal)A mebibyte.

   “One megabyte is 1,048,576 bytes. One megahertz, however is a million Hertz.”

   “Defaults to 2 megabytes (2,097,152 bytes).”

   “By default, each log file [...] is exactly 5 megabytes (5,242,880 bytes) in size.”