Word.ws English Dictionary

counterillumination

counterillumination noun: a behaviour, found in some cephalopods etc., in which bioluminescence is used to provide camouflage when viewed from below.

Noun

counterillumination (uncountable)

  1. A behaviour, found in some cephalopods etc., in which bioluminescence is used to provide camouflage when viewed from below.

Origin of counterillumination

From counter- + illumination.

Questions about counterillumination

What does counterillumination mean?
Counterillumination means a behaviour, found in some cephalopods etc., in which bioluminescence is used to provide camouflage when viewed from below.
What part of speech is counterillumination?
Counterillumination is a noun.

Words near counterillumination in the dictionary

  1. counteries
  2. counterilluminate
  3. counterilluminated
  4. counterilluminates
  5. counterilluminating
  6. counterillumination
  7. counterimage
  8. counterimagery
  9. counterimages
  10. counterimagination
  11. counterimaginations

Source and license

Adapted from Wiktionary: counterillumination (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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