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horopter

American  
[huh-rop-ter, haw-] / həˈrɒp tər, hɔ- /

noun

Ophthalmology.

  1. a projection of the points in the visual field corresponding to the aggregate of points registering on the two retinas.

horopter British  
/ hɒˈrɒptə /

noun

  1. optics the locus of all points in space that stimulate points on each eye that yield the same visual direction as each other

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • horopteric adjective

Etymology

Origin of horopter

1695–1705; < Greek hór ( os ) boundary + optḗr one that looks

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.