mydriasis

1. 1.

   reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs

   Broaderreflexdilation

Other forms of mydriasis

plural

mydriasises·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about mydriasis

What does mydriasis mean?

mydriasis means "reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs".

How many syllables are in mydriasis?

mydriasis has 4 syllables: my-dri-a-sis. The stress falls on "dri".

Is mydriasis a common word?

mydriasis is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.