n. See night blindness. [Late Latin nyctalōpia, from Greek nuktalōps, night-blind : nux, nukt-, night; see nekw-t- in the Appendix of Indo-European roots + alaos, blind + ōps, ōp-, eye; see okw- in the Appendix of Indo-European roots.] nyc′ta·lopic (-lōpĭk, -lŏpĭk) adj. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.