strychnine
/'strikni:n/
Học thuậtThân thiện
Definition
- 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
- an alkaloid plant toxin extracted chiefly from nux vomica; formerly used as a stimulant