methyl parathion: meaning, definition, pronunciation and examples

Very Low
UK/ˌmɛθɪl ˌpærəˈθʌɪɒn/US/ˌmɛθəl ˌpɛrəˈθaɪɑn/

Technical / Scientific / Regulatory

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Quick answer

What does “methyl parathion” mean?

A highly toxic organophosphate insecticide and acaricide, historically used in agriculture.

Audio

Pronunciation

Definition

Meaning and Definition

A highly toxic organophosphate insecticide and acaricide, historically used in agriculture.

A synthetic chemical compound (C8H10NO5PS) that functions as a potent neurotoxin by inhibiting the enzyme acetylcholinesterase. Its use is now heavily restricted or banned in many countries due to its extreme toxicity to humans and non-target organisms.

Dialectal Variation

British vs American Usage

Differences

No significant difference in the term itself. Regulatory and historical contexts of use may differ slightly between regions, but the nomenclature is identical.

Connotations

Identically strong connotations of extreme toxicity and historical environmental/health scandals in both varieties.

Frequency

Equally rare in general discourse, appearing almost exclusively in toxicological, environmental, and regulatory contexts in both the UK and US.

Grammar

How to Use “methyl parathion” in a Sentence

The use of [methyl parathion] has been banned.Exposure to [methyl parathion] can cause...Residues of [methyl parathion] were detected.

Vocabulary

Collocations

strong
bannedtoxicorganophosphateinsecticidepoisoningexposureresidues
medium
agricultural useapply methyl parathionrestrictions onhandling methyl parathion
weak
chemicalspraydangerousfarm

Examples

Examples of “methyl parathion” in a Sentence

verb

British English

  • (Not used as a verb)

American English

  • (Not used as a verb)

adverb

British English

  • (Not used as an adverb)

American English

  • (Not used as an adverb)

adjective

British English

  • (Rarely used attributively) e.g., 'methyl parathion poisoning'
  • 'methyl parathion contamination'

American English

  • (Rarely used attributively) e.g., 'methyl parathion exposure'
  • 'methyl parathion toxicity'

Usage

Meaning in Context

Business

Mentioned in the context of chemical supply, liability, and regulatory compliance for agricultural businesses.

Academic

Discussed in environmental science, toxicology, chemistry, and public health research papers.

Everyday

Virtually never used in everyday conversation unless discussing pesticide poisoning or environmental history.

Technical

The primary domain. Used in chemical formulas, safety data sheets, regulatory documents, and toxicological reports.

Vocabulary

Synonyms of “methyl parathion”

Strong

Parathion-methyl (IUPAC name)

Neutral

organophosphate insecticide

Weak

pesticidetoxic chemical

Vocabulary

Antonyms of “methyl parathion”

organic pesticidebiocontrol agentnon-toxic substance

Watch out

Common Mistakes When Using “methyl parathion”

  • Misspelling as 'methyl parathione'.
  • Incorrect pronunciation stressing 'para' as in 'parachute' (/ˈpærə/) instead of /ˌpærə/ or /ˌpɛrə/.
  • Using it as a countable noun (e.g., 'a methyl parathion').

FAQ

Frequently Asked Questions

Its use is banned or severely restricted in most countries, including the US, UK, and EU, due to its acute toxicity. It may still be used in some developing nations under strict controls.

It is a potent neurotoxin. Exposure can cause acute poisoning leading to sweating, vomiting, convulsions, respiratory failure, and death by disrupting nerve signal transmission.

They are closely related compounds. 'Parathion' often refers to ethyl parathion. Methyl parathion has a methyl group (CH3-) where ethyl parathion has an ethyl group (C2H5-). Methyl parathion is generally considered slightly less toxic but still extremely dangerous.

You are extremely unlikely to encounter it in everyday life. You might see it in news articles about chemical spills, historical pollution, or in the small print of environmental impact assessments for old agricultural sites.

A highly toxic organophosphate insecticide and acaricide, historically used in agriculture.

Methyl parathion is usually technical / scientific / regulatory in register.

Methyl parathion: in British English it is pronounced /ˌmɛθɪl ˌpærəˈθʌɪɒn/, and in American English it is pronounced /ˌmɛθəl ˌpɛrəˈθaɪɑn/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • (No common idioms exist for this technical term)

Learning

Memory Aids

Mnemonic

Think: METHYL (a chemical group) + PARA (like 'paralyze' the nerves) + THION (sounds like 'thigh on fire' – a severe reaction). A chemical that paralyzes nerves.

Conceptual Metaphor

POISON IS A WEAPON (against pests); REGULATION IS A CONTAINER (it is 'banned' or 'restricted').

Practice

Quiz

Fill in the gap
As a potent organophosphate, works by irreversibly inhibiting acetylcholinesterase in the nervous system.
Multiple Choice

In which domain is the term 'methyl parathion' MOST likely to be used?