collocation · academic
chemical runoff
/ˈkɛmɪkəl ˈrʌnɒf/CHEM·ical RUN·off
Chemicals washed from land (eg farms or factories) into rivers or the sea.
Examples
“Fertilizer and pesticide chemical runoff has caused algal blooms in the lake.”
“Controlling chemical runoff is important for protecting drinking water sources.”
“Heavy rain increased chemical runoff from the industrial zone into nearby rivers.”
Band 8 sentence
“Mitigating chemical runoff from industrial parks requires both stricter regulation and investment in effective drainage systems.”
Collocations
- reduce chemical runoff
- prevent chemical runoff
Word family
Common mistakes
chemical run off→chemical runoff
the chemical runoff are→the chemical runoff is
Say it for a higher band
5chemicals in water→6pollutants washed into rivers→7+chemical runoff
Synonyms
agricultural runoff
Easily confused
agricultural runoff
“Excess fertilizer contributed to agricultural runoff into the river.”
Related words
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In Environment & Climate
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