hippus

H4I1P3P3U1S1

noun

pupillary athetosis; spasmodic dilation and contraction of the pupil between the sphincter and dilator muscles.

OriginAncient Greek ἵππος →
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Meanings

nounhippus (uncountable)
  1. uncountablepupillary athetosis; spasmodic dilation and contraction of the pupil between the sphincter and dilator muscles.

Origin

  1. Ancient Greekἵππος“horse”
  2. Englishhippus

From Ancient Greek ἵππος (híppos, “horse”), perhaps due to the rhythm of the contractions representing a galloping horse.

More words from Ancient Greek

Full word history & related roots →

Rhymes & wordplay

Anagrams

uppish
Cite this entry
APA

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

MLA

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

Chicago

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

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