Definitions

1. adjective

relating to or caused by botulism, a rare but serious illness caused by a toxin produced by the bacterium Clostridium botulinum.

“The botulinal toxin was detected in the contaminated food sample.”

2. noun

a toxin or the substance produced by the bacterium Clostridium botulinum that causes botulism.

“The researchers studied the properties of the botulinal toxin and its effects on the human body.”