Definition

1. Noun:
   • A highly toxic alkaloid poison: Strychnine is a bitter, crystalline alkaloid that is obtained primarily from the seeds of the nux vomica tree and related plants. It is a potent neurotoxin that affects the nervous system.
   • A former medicinal stimulant: Historically, in very small, controlled doses, strychnine was used as a stimulant and a treatment for certain ailments, though this practice is now obsolete due to its extreme toxicity and narrow therapeutic window.

Usage Examples

• Noun:
  • The forensic test detected strychnine in the victim's system.
  • In the 19th century, some tonics contained minute amounts of strychnine as a stimulant.

Advanced Usage

• "Strychnine poisoning": Refers to the condition caused by ingestion of the toxin, characterized by severe muscular convulsions and respiratory failure.
  • The symptoms were consistent with acute strychnine poisoning.

Variants and Related Words

• Strychnic (adj): Pertaining to or derived from strychnine.
  • The strychnic alkaloids are known for their toxicity.
• Strychninism (n): Chronic poisoning from strychnine.

Synonyms

• Alkaloid poison: A class of naturally occurring chemical compounds, many of which are toxic.
• Neurotoxin: A substance that is poisonous or destructive to nerve tissue.

Related Phrases

• "A taste of strychnine": An idiom sometimes used metaphorically to describe something extremely bitter or unpleasant.
  • His criticism was like a taste of strychnine.

Notes on Usage

Strychnine is almost exclusively used in scientific, medical, forensic, or historical contexts. It is not a term used in everyday conversation. Due to its nature as a deadly poison, references to it are serious and carry connotations of danger, toxicity, and, in historical contexts, misguided medicine.

Noun

1. an alkaloid plant toxin extracted chiefly from nux vomica; formerly used as a stimulant