counterillumination

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Etymology

[edit]

From counter- +‎ illumination.

Noun

[edit]

counterillumination (uncountable)

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