parathion

Thân thiện

A farmer carefully applies parathion to the crops.

Definition

1. Noun:
   • A toxic organophosphate insecticide: Parathion is a potent chemical compound, specifically an organophosphate, historically used to control insects in agricultural settings. It is characterized as a colorless and odorless oily liquid in its pure form.

Usage Examples

• Noun:
  • The use of parathion has been banned or severely restricted in many countries due to its high toxicity.
  • Farmers were once advised to wear protective gear when applying parathion to their crops.

Advanced Usage

• Technical/Regulatory Context: The term is primarily used in agricultural, environmental, and public health discussions concerning pesticide regulation, chemical hazards, and historical farming practices.
  • The environmental persistence and human health risks associated with parathion led to its phase-out.

Variants and Related Words

• Methyl parathion (n): A closely related organophosphate insecticide, sometimes considered a variant.
  • Methyl parathion is also a highly toxic compound with similar uses and risks.

Synonyms

• Insecticide: A general term for any substance used to kill insects.
• Organophosphate insecticide: A more specific class of insecticides to which parathion belongs.
• Acaricide: A substance that kills mites and ticks; parathion also has acaricidal properties.

Related Phrases

• Parathion poisoning (n phrase): The medical condition resulting from exposure to parathion, affecting the nervous system.
  • Symptoms of acute parathion poisoning can include sweating, nausea, and muscle twitching.

Notes on Meaning

• Historical vs. Current Use: While "parathion" strictly refers to the specific chemical compound, its usage in modern contexts almost always carries connotations of danger, toxicity, and obsolescence due to widespread regulatory bans. It is an example of a legacy pesticide.

Học thuật

Noun

1. a colorless and odorless toxic oil used as an insecticide