endotoxin
C2CEFR level
88/100Rarity: very rare
TechnicalRegister
The lipopolysaccharide component of the Gram-negative outer membrane that triggers fever and shock when released.
Massive endotoxin release during antibiotic-induced lysis can precipitate a Jarisch-Herxheimer reaction.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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