pseudoscopen.
/ˈs(j)uːdə(ʊ)skəʊp/, U.S. /ˈsudoʊˌskoʊp/ Physiology and Psychology.
A binocular optical instrument for producing a stereoscopic image in which the appearance of depth is reversed by transposing the images seen by the left and right eyes.
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the world > physical sensation > sight and vision > optical instruments > instruments for observing > [noun] > for observing other phenomena
frog-plate1841
floriscope1847
pseudoscope1852
stalagmoscope1864
iconoscope1866
introscope1937
1852 C. Wheatstone in Philos. Trans. (Royal Soc.) 142 11 As this instrument conveys to the mind false perceptions of all external objects, I have called it the Pseudoscope.
1855 H. Spencer Princ. Psychol. iii. xiv. 476 When looked at through the Pseudoscope, convex objects seem concave.
1909 W. James Psychol. xx. 319 A human face, e.g., never appears hollow to the pseudoscope, for to couple faces and hollowness violates all our habits.
2001 O. Sacks Uncle Tungsten xii. 142 It was also intriguing to reverse the pictures. One could easily do this with stereo photographs, but one could also do it by making a pseudoscope, with a short cardboard tube and mirrors.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
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n.1852- calendaring
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- calendarist
- calendars
- calendarsaint
- calendary
- calender
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- calender-kind
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- calender-roll
- calendered
- calenderer
- calenderers
- calenderhouse
- calendering
- calenderkind
- calendermill
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- calendric
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- calendries
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