stackup

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noun

A diagram used to calculate the effects of accumulated variation in dimensions and tolerances; the effects thus diagrammed.

“tolerance stackup”

Scrabble 15
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Meanings

nounstackup (countable and uncountable, plural stackups)

plural stackups

  1. countableuncountableengineeringA diagram used to calculate the effects of accumulated variation in dimensions and tolerances; the effects thus diagrammed.

    tolerance stackup

    1 more example

    They failed to account for the tolerance stackup, which cost us a ton of scrap and weeks of lead time.

Origin

Deverbal from stack up.

Full word history & related roots →

Rhymes & wordplay

Anagrams

upstack
Cite this entry
APA

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

MLA

“stackup.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/stackup. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “stackup,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/stackup.

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