This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A potent neurotoxin, C11H17N3O3, found in many puffers and certain newts.

n. A neurotoxin found in Tetraodontiformes such as pufferfish.

n. a powerful neurotoxin found in the ovaries of pufferfish

"A highly-toxic substance called tetrodotoxin is found in a breed of puffer fish native to Haitian waters."

neurolysin    neurotoxin   

cornflour    misprision    world-market    trans-mississippi    misdemeanour