hyperviscosity

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noun

Increased viscosity, especially of the blood.

Opposite
hypoviscosity
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Meanings

nounhyperviscosity (countable and uncountable, plural hyperviscosities)

plural hyperviscosities

  1. countableuncountableIncreased viscosity, especially of the blood.
    1 more example

    Whole blood viscosity is determined by hematocrit, plasma viscosity, red cell deformation, and red cell aggregation. Hyperviscosity is thought to be prevalent in neonates due to polycythemia and diminished red cell deformation. […] Blood from low birth weight and full term neonates is significantly hypoviscous when compared to that of adults. This hypoviscosity is related to low plasma viscosity due to lower plasma proteins and fibrinogen in neonates.

    1984, Danoff SJ, Reinhart WH, Usami S, Chien S, James LS, “Hypoviscosity or hyperviscosity in full-term and low birth weight neonates?”, in Pediatric Research, volume 18, →DOI, page 318

    Antonyms: hypoviscosity

Synonyms & antonyms

nounIncreased viscosity, especially of the blood.

Opposite
hypoviscosity

Origin

By surface analysis, hyper- + viscosity, or, by surface analysis, hyperviscous + -ity.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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