Definitions

1. noun

a chemical element, symbol As, of the chalcogen family, with the atomic number 33.

“The old mine was found to have high levels of arsenic in the soil.”

2. noun

a yellowish-white, crystalline, toxic, poisonous, and odorless mineral, As4, of the mineral family.

“The geologist studied the properties of arsenic found in the new mineral deposits.”

3. adjective

relating to or containing arsenic.

“The toxicologist warned of the arsenic content in the old paint.”