Definition of hippus in English:

hippus

Syllabification: hip·pus
Pronunciation: /ˈhipəs
 
/

noun

Medicine
Spasmodic or rhythmic contraction of the pupil of the eye, a symptom of some neurological conditions.
More example sentences
  • Even a pronounced hippus may be physiological and does not necessarily require extensive diagnostic investigations.

Origin

late 17th century: modern Latin, from Greek hippos 'tremor of the eyes'.

Definition of hippus in:

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Word of the day neoteny
Pronunciation: nēˈätn-ē
noun
retention of juvenile features in the adult animal