noun
pica
PYE-kuh/ˈpaɪkə/
An eating disorder involving persistent consumption of nonfood substances.
People with pica repeatedly eat nonfood substances, such as dirt.

Etymology
Latin pica means “magpie.” The disorder's name may evoke the bird's indiscriminate feeding, extending that image to cravings for substances unfit for food.
In context
Yes, it's called pica. And some people eat soap like detergent.
More examples
- Her doctor diagnoses pica after learning that she regularly eats paper.
- Pica affects adults as well as children.
- Treatment for pica addresses nutritional needs and eating habits.
Forms
pica