Synonyms for Powdery (same or very similar meaning)
WordNet sense 1 (consisting of fine particles):
powdered, pulverized, fine-grained, pulverised, small-grained
WordNet sense 2 (of textures that are smooth to the touch or substances consisting of relatively small particles):
fine, fine
WordNet sense 3 ((used of color) having a relatively small amount of coloring agent):
light, light-colored
From the ODE community, based on WordNet
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