Word.ws English Dictionary

x86-64

x86-64 proper noun: a superset of the x86 instruction set architecture, providing additional support for 64-bit addressing while remaining mostly backward compatible with older applications.

Proper noun

x86-64

  1. A superset of the x86 instruction set architecture, providing additional support for 64-bit addressing while remaining mostly backward compatible with older applications.
    Synonyms:
    AMD64, x64

Synonyms of x86-64

Questions about x86-64

What does x86-64 mean?
X86-64 means a superset of the x86 instruction set architecture, providing additional support for 64-bit addressing while remaining mostly backward compatible with older applications.
What part of speech is x86-64?
X86-64 is a proper noun.

Words near x86-64 in the dictionary

  1. X17 particles
  2. x64
  3. x86
  4. x86-16
  5. x86-32
  6. x86-64
  7. x86`lowbar`64
  8. x87
  9. XA
  10. XACML
  11. xacuti

Source and license

Adapted from Wiktionary: x86-64 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “x86-64.” Word.ws, https://word.ws/x86-64. Based on Wiktionary, CC BY-SA 4.0.