mi·​cro·​code | \ˈmī-krə-ˌkōd \

Definition of microcode 

: the microinstructions especially of a microprocessor

Examples of microcode in a Sentence

Recent Examples on the Web

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 Presently, protection uses a mix of operating system alterations and processor microcode. Peter Bright, Ars Technica, "Intel outlines plans for Meltdown and Spectre fixes, microcode for older chips," 15 Mar. 2018 As for those Spectre variant 2 microcode updates, Intel is going back even further in time. Peter Bright, Ars Technica, "Intel outlines plans for Meltdown and Spectre fixes, microcode for older chips," 15 Mar. 2018 According to Intel's microcode update document, patches for several processor families have entered production, most notably the second-generation Core (Sandy Bridge) and third-generation Core (Ivy Bridge) families. Mark Hachman, PCWorld, "Intel issues Meltdown/Spectre fixes for Ivy Bridge, Sandy Bridge as patch effort winds down," 9 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

28 Nov 2018

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The first known use of microcode was in 1958

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a nest or breeding place

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