non-chemical

adjective
UK /nɒnˈkemɪkəl/
US /nɑːnˈkemɪkəl/

Not made with or using chemicals.

We use non-chemical ways to keep bugs away from our garden.


OTHER MEANINGS

2. Not related to the science of chemistry.

The class took a non-chemical approach to studying plants.

3. Not produced by a chemical process.

They chose non-chemical cleaning products for the kitchen.

4. Free from artificial substances.

This non-chemical sunscreen uses only plant oils.