ricin

noun

(biochemistry, toxicology) An extremely toxic lectin extracted from the castor bean.

Ricin is a highly toxic protein found in the seeds of the castor oil plant.

意味（1）

(biochemistry, toxicology) An extremely toxic lectin extracted from the castor bean.

It had to be one of three things: A hoax. Or anthrax, which meant I’d have to go on Cipro for a month. Or if it was ricin, I was dead, so bye-bye.