long mode

noun

An operational mode of x86-64 computers which enables 64-bit addressing, running older 32-bit code in compatibility mode and foregoing support for real-mode applications entirely.

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Meanings

nounlong mode (uncountable)
  1. uncountablecomputingAn operational mode of x86-64 computers which enables 64-bit addressing, running older 32-bit code in compatibility mode and foregoing support for real-mode applications entirely.
Cite this entry
APA

long mode. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/long%20mode

MLA

“long mode.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/long%20mode. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “long mode,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/long%20mode.

Source: long mode on Wiktionary, CC BY-SA 4.0.