noun
- a poisonous chemical element that is gray in color and used in pesticides and other products
Examples
- The old paint contained dangerous levels of arsenic.
- Arsenic poisoning can cause serious health problems.
- The detective found traces of arsenic in the victim’s coffee cup.
- Some groundwater naturally contains small amounts of arsenic.
- The factory was cited for releasing arsenic into the environment.
- Arsenic has been used as a poison throughout history.