'Dust' in the Bible

Now, Yahweh God, let your promise to David my father be established; for you have made me king over a people like the dust of the earth in multitude.

Also Maacah, the mother of Asa the king, he removed from being queen, because she had made an abominable image for an Asherah; and Asa cut down her image, and made dust of it, and burnt it at the brook Kidron.

They broke down the altars of the Baals in his presence; and the incense altars that were on high above them he cut down; and the Asherim, and the engraved images, and the molten images, he broke in pieces, and made dust of them, and strewed it on the graves [of those] who had sacrificed to them.