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Meaning of counterillumination | Babel Free

Noun CEFR C2

Definitions

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

uncountable

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

counterimage counterimagery counterimagination counterimitation counterimmunoelectrophoresis counterimpulse

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