santonin

A pharmacist carefully measures santonin powder in a laboratory.

Definition

1. Noun (uncountable):
   • A bitter, crystalline compound: "santonin" is a chemical substance, ( \text{C}{15}\text{H}{18}\text{O}_3 ), extracted from the dried flower heads of certain plants of the genus Artemisia (especially Artemisia cina). It is used primarily as an anthelmintic (a drug that expels parasitic worms, especially roundworms, from the body).

Usage Examples

• Noun:
  • The doctor prescribed santonin to treat the child's roundworm infection. (Santonin was used as a medication to kill intestinal worms.)
  • Santonin has a bitter taste and was once a common remedy for worms. (The substance is characterized by its bitterness and historical medical use.)
  • Overdoses of santonin can cause temporary visual disturbances, such as seeing objects in yellow. (Excessive intake of this compound may lead to side effects affecting vision.)

Advanced Usage

• "Santonin poisoning": a condition resulting from excessive intake of santonin, characterized by symptoms like xanthopsia (yellow vision), nausea, and convulsions.

  • The patient experienced santonin poisoning after taking too much of the worm medicine. (The overdose led to toxic effects.)

• "Santonin test": a historical laboratory method to detect the presence of certain substances, though now largely obsolete.

  • In the 19th century, the santonin test was used to identify alkaloids in plant extracts. (This test utilized santonin as a reagent.)

Variants and Related Words

• Santonic (adj): relating to or derived from santonin.

  • The santonic properties of the extract made it effective against parasites. (The qualities associated with santonin were beneficial.)

• Santinate (n): a salt or ester of santonic acid, a derivative of santonin.

  • Chemists synthesized a santinate compound for research purposes. (A chemical derivative of santonin.)

Synonyms

• Anthelmintic: a drug that expels parasitic worms (general term for the function of santonin).

  • Santonin is an anthelmintic used historically. (It belongs to this class of medications.)

• Wormseed: a common name for plants containing santonin, especially Artemisia cina.

  • Wormseed was harvested for its santonin content. (The plant source of the compound.)

Phrasal Verbs

• : "santonin" is a noun, not a verb, so it does not form phrasal verbs.

Related Idioms

• "To see yellow": a reference to the visual side effect of santonin poisoning.
  • After taking too much santonin, he began to see yellow. (He experienced xanthopsia, a specific symptom.)