mega·​byte | \-ˌbīt \

Definition of megabyte 

: 1024 kilobytes or 1,048,576 bytes also : one million bytes

Examples of megabyte in a Sentence

The CD has a storage capacity of 800 megabytes.

Recent Examples on the Web

Any visions of, say, feeding this book and Barlow’s many megabytes of text, abandoned manuscripts, and unmade screenplays into a neural net and generating a Barlow AI to re-occupy @jpbarlow are dashed by stories like these. Jesse Jarnow, WIRED, "The Ghost of John Perry Barlow Lives in His Posthumous Memoir," 5 June 2018 According to its Google Play page, the size of the Instagram Lite app download is 573 KB, which is roughly half a megabyte (MB). Brett Molina, USA TODAY, "Instagram Lite quietly launches on Google Play and it takes up less space on phones," 28 June 2018 According to TechCrunch, the app is just 573 kilobytes, or 1/55th the size of the 32 megabyte regular app. Natasha Bach, Fortune, "Facebook Launches Instagram Lite With Its Eyes Set on the Developing World," 28 June 2018 The drive offers read speeds up to 500 megabytes per second, which Team Group says is four times faster than a traditional hard drive. Ian Paul, PCWorld, "Newegg bundles AMD's Ryzen 5 2600 with a 120GB SSD for less than the cost of the CPU," 17 May 2018 The Ultra II is a little bit slower with sequential write speeds of up to 525 megabytes per second, compared to 530MB/s with the Ultra 3D. That’s not such a big difference, but the gap between read speeds are more noticeable. Ian Paul, PCWorld, "You can get a 1TB SanDisk Ultra II SSD for $200 using this code," 16 May 2018 Photos should be at least 1 megabyte; 5MB is ideal, but more than 10MB is too large. Catharine Hamm,, "What are you doing on your vacation? Taking great photos for our annual readers issue, we hope," 16 May 2018 This set of features is mostly meant for the developing world, where data is more expensive, limited, and pre-paid by the megabyte. Ron Amadeo, Ars Technica, "Android Go review—Google’s scattershot attempt at a low-end Android OS," 20 Apr. 2018 At just over 49 megabytes, iOS 11.3.1 is a minor update that fixes iPhone 8s for users whose touchscreens were rendered unresponsive by aftermarket replacement displays. Samuel Axon, Ars Technica, "Apple releases iOS 11.3.1 alongside security updates for macOS 10.13.4," 24 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'megabyte.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of megabyte

1965, in the meaning defined above

History and Etymology for megabyte

from the fact that 1,048,576 (220) is the power of 2 closest to one million

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Statistics for megabyte

Last Updated

17 Sep 2018

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Time Traveler for megabyte

The first known use of megabyte was in 1965

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English Language Learners Definition of megabyte

computers : a unit of computer information equal to 1,048,576 bytes


mega·​byte | \ˈme-gə-ˌbīt \

Kids Definition of megabyte

: a unit of computer information storage capacity equal to 1,048,576 bytes

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Comments on megabyte

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to clear from alleged fault or guilt

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