3DNow!

proper noun

An enhancement of the MMX extension to the x86 CPU instruction set architecture, allowing for enhanced performance with 3D-graphics-heavy applications; rendered obsolescent by later versions of the SSE instruction-set extensions.

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Meanings

proper noun

alternative 3DNow

  1. computingAn enhancement of the MMX extension to the x86 CPU instruction set architecture, allowing for enhanced performance with 3D-graphics-heavy applications; rendered obsolescent by later versions of the SSE instruction-set extensions.

Origin

Trademark of AMD, from 3D + now, reflecting its potential for performance improvements in 3D graphics.

Full word history & related roots →
Cite this entry
APA

3DNow!. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/3DNow%21

MLA

“3DNow!.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/3DNow%21. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “3DNow!,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/3DNow%21.

Source: 3DNow! on Wiktionary, CC BY-SA 4.0.