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black box warning

Noun CEFR C1

Definitions

A warning, surrounded by a black border, affixed to a prescription drug to indicate that it may cause serious or life-threatening effects.

US

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
See all C1 English words →

See also

black boy black brane black bread black bread mold black bream black briony

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