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Pronunciation varies by accent · noun
(organic chemistry) A broad-spectrum insecticide, belonging to the phenylpyrazole family, that disrupts the insect's central nervous system..
They are vulnerable to some pest control poisons — Mr. Rasberry uses products containing the chemicals fipronil and chlorfenapyr — but given the ants’ staggering proliferation and environmental restrictions on the products, not enough of the chemicals can be put down to make a difference, Mr. Meyers said.
He thinks new classes of insecticides introduced in the last 20 years, including neonicotinoids and fipronil, have been particularly damaging as they are used routinely and persist in the environment: “They sterilise the soil, killing all the grubs.”
Use fipronil when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Fipronil means (organic chemistry) A broad-spectrum insecticide, belonging to the phenylpyrazole family, that disrupts the insect's central nervous system..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
They are vulnerable to some pest control poisons — Mr. Rasberry uses products containing the chemicals fipronil and chlorfenapyr — but given the ants’ staggering proliferation and environmental restrictions on the products, not enough of the chemicals can be put down to make a difference, Mr. Meyers said.
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