chlorpyrifos: meaning, definition, pronunciation and examples
LowTechnical/Scientific
Quick answer
What does “chlorpyrifos” mean?
A synthetic organophosphate insecticide, acaricide, and miticide used to control a wide variety of agricultural and household pests.
Audio
Pronunciation
Definition
Meaning and Definition
A synthetic organophosphate insecticide, acaricide, and miticide used to control a wide variety of agricultural and household pests.
A broad-spectrum organophosphate compound that inhibits acetylcholinesterase, leading to nervous system disruption in insects; also used in veterinary medicine and termite control.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences; spelling and pronunciation are identical. Regulatory status and brand names may vary between regions.
Connotations
Both varieties carry strong negative connotations related to environmental toxicity and health risks, especially following bans/restrictions in many countries.
Frequency
Slightly higher frequency in American English due to larger agricultural sector and regulatory debates, but overall low frequency in both varieties.
Grammar
How to Use “chlorpyrifos” in a Sentence
N of chlorpyrifosV chlorpyrifosADJ chlorpyrifosVocabulary
Collocations
Examples
Examples of “chlorpyrifos” in a Sentence
verb
British English
- Farmers were advised not to chlorpyrifos near water sources.
- The company chlorpyrifosed the entire orchard last spring.
American English
- Growers chlorpyrifos their crops according to strict protocols.
- They chlorpyrifosed the foundation for termite control.
adverb
British English
- The field was treated chlorpyrifosly before planting.
- They applied the insecticide chlorpyrifosly across all rows.
American English
- The termite barrier was installed chlorpyrifosly around the perimeter.
- Crops were sprayed chlorpyrifosly according to the schedule.
adjective
British English
- The chlorpyrifos contamination required extensive remediation.
- Chlorpyrifos-based products are being phased out.
American English
- Chlorpyrifos exposure has been linked to developmental issues.
- The chlorpyrifos residue levels exceeded safety limits.
Usage
Meaning in Context
Business
Discussions about agricultural chemical manufacturing, regulatory compliance, and liability issues.
Academic
Research papers on toxicology, environmental science, neurodevelopmental effects, and pesticide regulation.
Everyday
Rarely used; appears in news about food safety, environmental contamination, or regulatory actions.
Technical
Precise specifications in agricultural guidelines, safety data sheets, environmental monitoring reports, and regulatory documents.
Vocabulary
Synonyms of “chlorpyrifos”
Strong
Neutral
Weak
Vocabulary
Antonyms of “chlorpyrifos”
Watch out
Common Mistakes When Using “chlorpyrifos”
- Misspelling as 'chloropyrifos' or 'chlorpyrifus'.
- Incorrect stress on first syllable (should be on 'pyr').
- Confusing with other organophosphates like malathion or diazinon.
FAQ
Frequently Asked Questions
Usage varies by country. Many nations have banned or severely restricted it due to health concerns, but some agricultural applications continue in certain regions with strict regulations.
It acts as a neurotoxin that can cause acute poisoning and has been linked to long-term developmental problems in children, even at low exposure levels.
It was widely used on fruits, vegetables, nuts, and grain crops, as well as for termite control and in some veterinary applications.
It can persist for weeks to months in soil and water, with half-lives varying from 10-120 days depending on conditions like temperature and pH.
A synthetic organophosphate insecticide, acaricide, and miticide used to control a wide variety of agricultural and household pests.
Chlorpyrifos is usually technical/scientific in register.
Chlorpyrifos: in British English it is pronounced /ˌklɔːrˈpaɪrɪfɒs/, and in American English it is pronounced /ˌklɔːrˈpaɪrɪfɑːs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
CHLORO (chlorine) + PYR (fire/heat in Greek roots, relating to chemical synthesis) + IFOS (sounds like 'phosphorus' - key component).
Conceptual Metaphor
INVISIBLE THREAT (as an unseen chemical hazard), DOUBLE-EDGED SWORD (effective pest control vs. health risks).
Practice
Quiz
What is the primary mechanism of action of chlorpyrifos?