pufferfish poison

noun

1. A powerful neurotoxin (tetrodotoxin) found in certain pufferfish, especially in their liver, ovaries, and skin. It is extremely poisonous and can be fatal if eaten, even in tiny amounts.

   B2

   uncountableinformal or general

   • "Pufferfish poison has no known antidote."B2
   • "Only specially trained chefs can prepare pufferfish safely because removing the poison takes great skill."B2
   • "Scientists are studying pufferfish poison for its potential use as a painkiller."C1