'Dust' in the Bible

Now, O Jehovah God, let thy promise unto David my father be established; for thou hast made me king over a people like the dust of the earth in multitude.

And 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.

And they brake down the altars of the Baalim in his presence; and the sun-images that were on high above them he hewed down; and the Asherim, and the graven images, and the molten images, he brake in pieces, and made dust of them, and strewed it upon the graves of them that had sacrificed unto them.