noun
- a salt or ester of arsenic acid
Usage: chemistry
Examples
- Lead arsenate was once commonly used as an insecticide.
- The chemist analyzed the arsenate compound in the laboratory.
- Calcium arsenate is toxic to many insects.
- The soil sample contained traces of arsenate from old pesticides.
- Sodium arsenate has been used in wood preservation.
- The arsenate ion has the chemical formula AsO4³⁻.