hyperexpansion

H4Y4P3E1R1E1X8P3A1N1S1I1O1N1

noun

excessive expansion

Scrabble 31
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Meanings

nounhyperexpansion (usually uncountable, plural hyperexpansions)

plural hyperexpansions

  1. uncountableusuallyexcessive expansion

    The resultant partial occlusion of the small airways by sloughed epithelial cells, inflammatory cells, respiratory secretions and mucous plugs as observed microscopically may lead to air trapping, lung hyperexpansion and increased airway resistance causing respiratory distress.

    2015 December 8, “Kinetics of Respiratory Syncytial Virus (RSV) Memphis Strain 37 (M37) Infection in the Respiratory Tract of Newborn Lambs as an RSV Infection Model for Human Infants”, in PLOS ONE, →DOI

Origin

From hyper- + expansion.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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