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bioluminescence

Noun CEFR C2
ˌbaɪ̯oʊ̯ˌluməˈnɛsəns

Definitions

The emission of light by a living organism (such as a firefly).

countable, uncountable

Equivalents

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CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
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