1. a scientist who studies the effects of toxic substances on organisms and ecosystems
Usage: professional/technical term; typically requires advanced degree in biology, chemistry, or environmental science

Examples

• The ecotoxicologist examined how pesticides were affecting fish populations in the river.
• As an ecotoxicologist, she conducted experiments to measure the impact of heavy metals on soil microorganisms.
• Ecotoxicologists play a crucial role in environmental protection and regulatory compliance.
• The research team included an ecotoxicologist who specialized in marine pollution.
• Ecotoxicologists often work with government agencies to assess contamination risks.