Defn: See Nias.
NYCTALOPIA Nyc`ta*lo"pi*a, n. Etym: [L. nyctalopia, fr. nyctalops a nyctalops, Gr. (Med.) (a) A disease of the eye, in consequence of which the patient can see well in a faint light or at twilight, but is unable to see during the day or in a strong light; day blindness. (b) See Moonblink.
Note: Some writers (as Quain) use the word in the opposite sense, night blindness. See Hemeralopia.
NYCTALOPS
Nyc"ta*lops, n. Etym: [L., from Gr.
Defn: One afflicted with nyctalopia.
NYCTALOPY
Nyc"ta*lo`py, n.
Defn: Same as Nyctalopia.
NYCTHEMERON
Nyc*the"me*ron, n. Etym: [Gr.
Defn: The natural day and night, or space of twenty-four hours.
NYCTIBUNE
Nyc"ti*bune, n. (Zoöl.)