powdery

powder +‎ -y

• (US) IPA^(key): /ˈpaʊdəɹi/

powdery (comparative more powdery, superlative most powdery)

1. Of or pertaining to powder.
   • 1872, Mark Twain, Roughing It, ch. 21,

     We were plowing through great deeps of powdery alkali dust that rose in thick clouds and floated across the plain like smoke from a burning house. We were coated with it like millers; so were the coach, the mules, the mail-bags, the driver—we and the sage-brush and the other scenery were all one monotonous color.

• powderiness
• powderily