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nictitating membrane Definition

nictitating membrane

noun

a transparent third eyelid hinged at the inner side or lower lid of the eye of various animals, serving to keep the eye clean and moist: it is vestigial in humans

Browse dictionary entries near nictitating membrane

  1. ‹ nictitate
  2. ‹ nictate
  3. ‹ nicotinism
  4. ‹ nicotinic acid
  5. ‹ nicotine
  6. ‹ nicotinamide
  7. ‹ nicotiana
  8. ‹ Nicosia
  9. ‹ Nicopolis
  10. ‹ Nicole
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