eyeblink

/ˈaɪˌblɪŋk/
verb
  1. To blink; to close and open the eyes quickly.
    • The baby eyeblinks whenever a bright light flashes.
    • He didn't eyeblink even once during the staring contest.
    • She eyeblinked rapidly to clear the dust from her eyes.
noun
  1. The act of closing and opening one or both eyes quickly; a blink.
    • The magician's trick was over in an eyeblink.
    • An eyeblink is a natural reflex that keeps your eyes moist.
    • She didn't miss a single detail, not even an eyeblink.
  2. A very short period of time; an instant.
    • He finished the race in an eyeblink, setting a new record.
    • The car accident happened in an eyeblink.
    • The summer vacation passed in an eyeblink.