chemical-freechange

adjective
UK /ˈkɛmɪkəl friː tʃeɪndʒ/
US /ˈkɛmɪkəl friː tʃeɪndʒ/

Not using any chemicals when you change something.

The garden had a chemical-freechange to keep the bugs away safely.


OTHER MEANINGS

2. A change made without using artificial substances.

The farmer made a chemical-freechange to his crops.

3. Switching to products that have no chemicals in them.

Our school made a chemical-freechange in the cleaning supplies.

4. Keeping things pure by not adding any chemicals.

The lake stayed clean thanks to a chemical-freechange in the factory.