| 单词 | nictitating membrane |
| 释义 | nictitating membrane[ nik-ti-tey-ting mem-breyn ] / ˈnɪk tɪˌteɪ tɪŋ ˈmɛm breɪn / nouna thin membrane, or inner or third eyelid, present in many animals, capable of being drawn across the eyeball, as for protection. Origin of nictitating membrane1705–15; nictitate + -ing2 Words nearby nictitating membraneNicotrol, Nicoya, Nicoya Peninsula, Nictheroy, nictitate, nictitating membrane, nictitation, NICU, Nida, nidal, nidana Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for nictitating membranenictitating membrane / (ˈnɪktɪˌteɪtɪŋ) / noun(in reptiles, birds, and some mammals) a thin fold of skin beneath the eyelid that can be drawn across the eyeAlso called: third eyelid, haw Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for nictitating membranenictitating membrane [ nĭk′tĭ-tā′tĭng ] A transparent inner eyelid in birds, reptiles, amphibians, and some mammals that protects and moistens the eye without blocking vision. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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