writemask

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noun

A bitmask which controls which bits are written to a memory location during some operation.

Scrabble 18
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Meanings

nounwritemask (plural writemasks)

plural writemasks

  1. computingA bitmask which controls which bits are written to a memory location during some operation.

    A destination element is not updated with the result of the operation if the corresponding writemask bit is not set. Instead, the destination element value must be preserved (merging-masking) or it must be zeroed out (zeroing-masking).

    2025 March, Intel 64 and IA-32 Architectures Software Developer's Manual, volume 1, page 15-9

Origin

Compound of write + mask.

Full word history & related roots →
Cite this entry
APA

writemask. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/writemask

MLA

“writemask.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/writemask. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “writemask,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/writemask.

Source: writemask on Wiktionary, CC BY-SA 4.0.