dusting
US /ˈdʌs.tɪŋ/
UK /ˈdʌs.tɪŋ/

1.
2.
a light sprinkling of a powdery substance over a surface
:
•
The cake had a light dusting of powdered sugar.
•
A fresh dusting of snow covered the ground.
a light sprinkling of a powdery substance over a surface