fipronil

fipronil (uncountable)

1. (organic chemistry) A broad-spectrum insecticide, belonging to the phenylpyrazole family, that disrupts the insect's central nervous system.
   • 2019 February 10, Damian Carrington, “Plummeting insect numbers 'threaten collapse of nature'”, in The Guardian‎:

     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.”

• profilin

fipronil m (plural fiproniles)

1. fipronil