Search Result for "night_vision":
Wordnet 3.0

NOUN (1)

1. the ability to see in reduced illumination (as in moonlight);
[syn: night vision, night-sight, scotopic vision, twilight vision]



The Collaborative International Dictionary of English v.0.48:

night vision \night vision\ n.
   The ability to see in reduced illumination (as in moonlight).

   Syn: night-sight.
        [WordNet 1.5]


WordNet (r) 3.0 (2006):

night vision
    n 1: the ability to see in reduced illumination (as in
         moonlight) [syn: night vision, night-sight, scotopic
         vision, twilight vision]