upstack

U1P3S1T1A1C3K5

noun

The upper part of the stack.

Scrabble 15
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Meanings

nounupstack (plural upstacks)

plural upstacks

  1. The upper part of the stack.

    Ground particles are fed up the upstack where they circulate to the downstacks and either pass through outlets on the inner radial surfaces (if they are small enough) or are swept again to the bottom of the upstack by low-pressure inlets […]

    1969, British Ceramic Society, Transactions, Volume 68

Origin

From up- + stack.

Full word history & related roots →

Rhymes & wordplay

Anagrams

stackup
Cite this entry
APA

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

MLA

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

Chicago

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

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