ˈnight-vision
Also as two words.
[f. night n. + vision n.]
1. A vision or dream that comes during the night.
| 1382 Wyclif Isa. xxix. 7 And shal be as a drem of a nyȝt viseoun [L. visionis nocturnæ]..the multitude..that foȝten aȝen Ariel. 1742 Young Nt. Th. i. 162 Night-visions may befriend.., Our waking dreams are fatal. |
2. a. The faculty of seeing during the night or in the dark. b. Ability to see only by night.
| 1822–34 Good's Study Med. (ed. 4) III. 146 Acuteness of night vision is natural to various animals that prowl in the dark. 1838 Penny Cycl. XII. 114/2 Nyctalopia, night⁓vision, or day-blindness, probably never occurs as a separate disease. 1946 V. Tempest Near the Sun vii. 53 The medical people were..confined to assisting the overcoming of..the effects of height and lack of oxygen,..the difficulties of night vision and the psychological approach to flying. 1961 Housewife (Ceylon) Dec. 19 Vitamin A..assists our eyesight, especially ‘night vision’. 1969 P. Kavanagh Such Men are Dangerous (1971) iii. 49 He might even wait until dark. Fine. My night vision was always good. 1973 J. Rossiter Manipulators xxvi. 249 Ferris would have been watching his progress through his night-vision glasses. |