malathion
C2Technical / Specialized
Definition
Meaning
A synthetic organophosphate compound used as an insecticide.
A specific, widely-used insecticide and acaricide that is less toxic to mammals than some other organophosphates, often employed in agriculture, public health mosquito control, and garden use.
Linguistics
Semantic Notes
This is a proprietary chemical name (now generic) for an organophosphate insecticide. It is typically used in contexts related to pest control, agriculture, and environmental science. Its primary semantic field is chemistry/agriculture, not everyday life.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or usage differences. The word is identical in spelling and application. Differences may exist in regulatory approvals or common brand names.
Connotations
Neutral technical term in both. May carry negative connotations related to environmental or health concerns among the general public.
Frequency
Equally low-frequency in general language but standard within agricultural, horticultural, and public health technical registers in both regions.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subj: entity] + apply/use/spray + malathion + [on/against Obj: pest/crop][Subj: crop/area] + be + treated/sprayed + with + malathionVocabulary
Synonyms
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Used in agribusiness reports, chemical supply catalogues, and compliance documents. (e.g., 'Q3 profits were impacted by increased costs for malathion and other inputs.')
Academic
Common in chemistry, toxicology, entomology, agriculture, and environmental science papers. (e.g., 'The half-life of malathion in soil under these conditions was 17 days.')
Everyday
Very rare. Might appear in gardening advice, news about mosquito control, or safety warnings. (e.g., 'Check the label to see if this contains malathion.')
Technical
The primary register. Used in agricultural guidelines, public health protocols, safety data sheets, and product formulations. (e.g., 'A 0.5% malathion solution is recommended for foliar application against aphids.')
Examples
By Part of Speech
verb
British English
- The council will malathion the affected woodland to control the caterpillar outbreak.
American English
- They had to malathion the entire park after the mosquito-borne virus was detected.
adjective
British English
- The malathion treatment proved highly effective.
- Follow the malathion spray protocol carefully.
American English
- We used a malathion-based solution.
- The malathion residue levels were within limits.
Examples
By CEFR Level
- Farmers sometimes use malathion to protect their crops.
- The bottle said it contained malathion.
- Public health officials sprayed malathion to reduce the mosquito population in the area.
- Gardeners should wear gloves when applying malathion as a precaution.
- Despite its relatively lower mammalian toxicity, malathion exposure can still pose significant risks to aquatic invertebrates.
- The study compared the degradation rates of malathion in three different soil types under controlled conditions.
Learning
Memory Aids
Mnemonic
Think: 'MALaria ATHlete' - an athlete fighting malaria-carrying mosquitoes with this insecticide.
Conceptual Metaphor
CHEMICAL WEAPON (against insects); SHIELD/PROTECTION (for crops).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'малахит' (malachite, a green mineral).
- The '-thion' ending is not related to the Russian '-ция' (-tsiya) suffix for abstract nouns. It is a chemical suffix.
- It is a specific chemical, not a generic word for 'insecticide' (инсектицид).
Common Mistakes
- Misspelling as 'malathian', 'malthion', or 'malathiol'.
- Using it as a countable noun (e.g., 'a malathion'). It is a mass noun.
- Incorrect pronunciation stressing the first syllable (/ˈmæləθaɪən/). Stress is typically on the third syllable.
Practice
Quiz
Malathion is primarily classified as:
FAQ
Frequently Asked Questions
While it is one of the less toxic organophosphates to mammals, it is still a poison. It can be harmful or fatal if swallowed, absorbed through skin, or inhaled in sufficient quantities. Always follow label instructions and safety precautions.
Its uses include agricultural pest control on fruits, vegetables, and ornamentals; public health programs to control mosquitoes and other disease vectors; and treatment for head lice and scabies on humans (in specific pharmaceutical formulations).
Malathion is an organophosphate, which works by inhibiting the enzyme acetylcholinesterase in the nervous system. DDT is an organochlorine that affects sodium channels. Malathion breaks down in the environment much faster than DDT but is more acutely toxic to insects and some non-target species.
This depends on local regulations. In many places, malathion is available to consumers in diluted forms for garden use. However, stronger concentrations may be restricted to licensed professionals, especially for large-scale or public health applications.