Word.ws English Dictionary

optogram

optogram noun: an image of external objects fixed on the retina by the photochemical action of light on rhodopsin.

optogram: an image of external objects fixed on the retina by the photochemical action of light on rhodopsin
Image: Wilhelm Friedrich Kühne (March 28, 1837 – June 10, 1900), Public domain, via Wikimedia Commons

Noun

optogram (plural optograms)

  1. An image of external objects fixed on the retina by the photochemical action of light on rhodopsin.
    • The bleaching of visual purple is limited to the area exposed to light, so that an optogram or image of the luminous object, such as a window, can be obtained.1924, John Herbert Parsons, An Introduction to the Study of Colour Vision, page 16
    • The study of optograms caught the imagination of the public as well as the scientific community. Some scientifically minded sleuths hoped that the optograms of murder victims might betray their killers!2001, Stanley Finger, Origins of Neuroscience: A History of Explorations Into Brain Function, page 82

Forms of optogram

pluraloptograms

Origin of optogram

From opto- + -gram.

Questions about optogram

What does optogram mean?
Optogram means an image of external objects fixed on the retina by the photochemical action of light on rhodopsin.
What part of speech is optogram?
Optogram is a noun.
What is the plural of optogram?
The plural of optogram is optograms.

Words near optogram in the dictionary

  1. optogalvanic
  2. optogenetic
  3. optogenetical
  4. optogenetically
  5. optogenetics
  6. optogram
  7. optograms
  8. optography
  9. optoinject
  10. optoinjectant
  11. optoinjectants

Source and license

Adapted from Wiktionary: optogram (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “optogram.” Word.ws, https://word.ws/optogram. Based on Wiktionary, CC BY-SA 4.0.