ratsbane
Học thuậtThân thiện
Definition
Noun: 1. A poisonous substance, specifically arsenic trioxide, used to kill rats: The word "ratsbane" is an archaic term that refers to a potent poison, historically employed as a rodenticide. Its core meaning is a substance that is lethal to rats.
Examples of Usage
- Noun:
- In the 18th century, ratsbane was a common, though dangerous, solution for rodent infestations.
- The old apothecary jar was labeled "Ratsbane," warning of its deadly contents.
- Historical novels sometimes mention ratsbane as a method of murder, due to its potency and availability in past eras.
Advanced Usage
- Figurative/Archaic Use: In older texts, "ratsbane" can be used as a curse or an exclamation of disgust or frustration, similar to "poison!" or "plague!"
- "Ratsbane! My plans are ruined!" cried the villain in the play.
Variants and Related Words
- Arsenic trioxide (n): The modern chemical name for the compound historically called ratsbane.
- Arsenic (n): The element from which the poison is derived; a broader term for poisonous compounds containing this element.
- Rodenticide (n): The general term for any substance used to kill rodents.
- Pesticide (n): A broader category of substances used to destroy pests, which includes rodenticides.
Synonyms
- Poison
- Rodenticide
- Arsenic (in context)
- Toxin
Notes on Meaning
- Primary Meaning: The dominant and historical meaning is a poison for rats, specifically arsenic trioxide (As₂O₃).
- Contextual Meaning: In modern contexts, the word is almost exclusively found in historical, literary, or academic discussions about past poisons and pest control methods. It is not a term used in contemporary pest management.
Noun
- a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer