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