Hermann grid
Hermann grid noun: an optical illusion where ghostly grey blobs are perceived at the intersections of a light-coloured grid on a black background.

Noun
Hermann grid (plural Hermann grids)
- An optical illusion where ghostly grey blobs are perceived at the intersections of a light-coloured grid on a black background.
Forms of Hermann grid
| plural | Hermann grids |
|---|
Origin of Hermann grid
Named after German physiologist Ludimar Hermann (1870).
Questions about Hermann grid
- What does Hermann grid mean?
- Hermann grid means an optical illusion where ghostly grey blobs are perceived at the intersections of a light-coloured grid on a black background.
- What part of speech is Hermann grid?
- Hermann grid is a noun.
- What is the plural of Hermann grid?
- The plural of Hermann grid is Hermann grids.
Words near Hermann grid in the dictionary
Source and license
Adapted from Wiktionary: Hermann grid (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.
Last updated:
Cite this entry: “Hermann grid.” Word.ws, https://word.ws/hermann_grid. Based on Wiktionary, CC BY-SA 4.0.
