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Meaning of sudden unexplained nocturnal death syndrome | Babel Free

Noun CEFR C2

Definitions

A condition that predominantly strikes young healthy males from Southeast Asia, causing unexplained death while sleeping.

uncountable

CEFR level

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

See also

sudden victory suddenism suddenliness Suddenly Suddenness suddenty

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