1. A highly toxic synthetic pesticide belonging to the cyclodiene family, formerly used to control insects on crops but now banned or severely restricted in most countries due to environmental and health hazards.
Usage: chemistry; environmental science; largely obsolete in modern agriculture

Examples

• Endrin was widely used as an insecticide in the mid-20th century before its dangers became apparent.
• The pesticide endrin persists in the environment and accumulates in animal tissues over time.
• Many countries have banned endrin due to its toxicity to wildlife and potential harm to human health.
• Researchers found traces of endrin in water samples from agricultural regions.
• The use of endrin on cotton crops was discontinued after studies linked it to ecological damage.