organophosphate
Học thuậtThân thiện
Definition
Noun: A synthetic chemical compound, specifically an ester of phosphoric acid, used primarily as an insecticide or nerve agent. Its defining action is inhibiting the enzyme acetylcholinesterase, which leads to disruption of nerve signal transmission in the nervous system.
Usage
The term "organophosphate" is used primarily in scientific, agricultural, and medical contexts to classify a group of toxic compounds. It functions as a countable noun.
Examples
- Noun:
- The farmer used an organophosphate to control the pest infestation.
- Exposure to certain organophosphates can be hazardous to human health.
- Parathion and malathion are well-known organophosphates.
Advanced Usage
- As a modifier: The term is frequently used attributively (like an adjective) to describe other nouns related to its class or effects.
- Organophosphate poisoning requires immediate medical attention.
- Researchers are studying organophosphate degradation in soil.
Variants and Related Words
- Organophosphorus (adjective): Pertaining to or denoting the broader class of compounds containing phosphorus-carbon bonds, which includes organophosphates.
- Organophosphorus chemistry is a major field of study.
Synonyms
- Phosphate insecticide
- Acetylcholinesterase inhibitor (describes the functional mechanism, not a direct synonym for the chemical class)
Different Meanings
The word "organophosphate" has a highly specific, technical meaning and is not commonly used in other senses. Its core definition is consistently tied to its chemical structure and biological activity.
Related Phrases/Compounds
- Organophosphate poisoning: The toxic condition resulting from exposure to organophosphates, characterized by symptoms like excessive salivation, convulsions, and respiratory failure.
- The emergency protocol for organophosphate poisoning involves administering atropine.
Noun
- an insecticide that interferes with an insect's nervous system