mi·​cro·​code | \ ˈmī-krə-ˌkōd How to pronounce microcode (audio) \

Definition of microcode

: the microinstructions especially of a microprocessor

Examples of microcode in a Sentence

Recent Examples on the Web

Similarly, with the new microcode leaving management mode flushes the level 1 cache, protecting SMM data. Peter Bright, Ars Technica, "Intel’s SGX blown wide open by, you guessed it, a speculative execution attack," 14 Aug. 2018 The operating system changes only take effect when a suitable microcode is installed. Peter Bright, Ars Technica, "AMD systems gain Spectre protection with latest Windows fixes," 11 Apr. 2018 But the package provides an important alternative for those who lack a motherboard firmware containing the new microcode. Peter Bright, Ars Technica, "Patch Tuesday drops the mandatory antivirus requirement after all," 13 Mar. 2018 These protections may be possible to implement in a microcode update, offering a way to protect software running on existing processors. Peter Bright, Ars Technica, "New Spectre-like attack uses speculative execution to overflow buffers," 10 July 2018 Intel says that beta testing of other microcodes for these processors is ongoing. Peter Bright, Ars Technica, "Intel releases new Spectre microcode update for Skylake; other chips remain in beta," 8 Feb. 2018 Intel is releasing microcode updates that provide its processors with a similar facility to disable this kind of speculation. Peter Bright, Ars Technica, "New speculative-execution vulnerability strikes AMD, ARM, and Intel," 22 May 2018 None of the Core 2 processors will now receive a microcode update for Spectre. Peter Bright, Ars Technica, "Intel drops plans to develop Spectre microcode for ancient chips," 4 Apr. 2018 Microsoft has also updated the microcode package that contains processor-level updates for Intel and AMD processors to help mitigate some of the Spectre attacks. Peter Bright, Ars Technica, "Patch Tuesday drops the mandatory antivirus requirement after all," 13 Mar. 2018

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.

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First Known Use of microcode

1958, in the meaning defined above

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Last Updated

7 Mar 2019

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The first known use of microcode was in 1958

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