mi·​cro·​code ˈmī-krə-ˌkōd How to pronounce microcode (audio)
: the microinstructions especially of a microprocessor

Example Sentences

Recent Examples on the Web The key may also allow parties other than Intel—say a malicious hacker or a hobbyist—to update chips with their own microcode, although that customized version wouldn’t survive a reboot. Dan Goodin, Ars Technica, 28 Dec. 2020 The remainder of Intel's microcode guidance document shows just a few chip architectures waiting for patches, including the remainder of the Arrandale and Clarkdale families. Mark Hachman, PCWorld, 9 Mar. 2018 In response, Intel has released a microcode and BIOS updates that mitigate attacks by locking voltage to the default settings. Dan Goodin, Ars Technica, 10 Dec. 2019 The fix doesn't require a microcode update from computer manufacturers. Dan Goodin, Ars Technica, 6 Aug. 2019 For other affected products, mitigation is available through microcode updates, coupled with corresponding updates to operating system and hypervisor software that are available starting today. Gordon Mah Ung, PCWorld, 15 May 2019 Presently, the only way to install the microcode is to install a system firmware that includes the updates. Peter Bright, Ars Technica, 11 Apr. 2018 Similarly, with the new microcode leaving management mode flushes the level 1 cache, protecting SMM data. Peter Bright, Ars Technica, 14 Aug. 2018 The operating system changes only take effect when a suitable microcode is installed. Peter Bright, Ars Technica, 11 Apr. 2018 See More

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

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of microcode was in 1958

Dictionary Entries Near microcode

Cite this Entry

“Microcode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microcode. Accessed 8 Dec. 2022.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.