soap powder
US /ˈsoʊp ˌpaʊ.dər/
UK /ˈsoʊp ˌpaʊ.dər/
1.
a powdered detergent used for washing clothes
:
•
She added a scoop of soap powder to the washing machine.
•
Make sure to use the correct amount of soap powder for your laundry.
a powdered detergent used for washing clothes