nictitation

Definitions of nictitation
  1. noun
    a reflex that closes and opens the eyes rapidly
    synonyms: blink, blinking, eye blink, nictation, wink, winking
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    types:
    palpebration
    repeated blinking or winking (especially if uncontrolled and persistent)
    type of:
    inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex
    an automatic instinctive unlearned reaction to a stimulus
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