Related Clues:

• Fine powdery material that can be blown about in the air
• Microscopic particles in the air
• Waste fragments of stone or rock, debris
• Mass of rough fragments of brick or stone
• It rusted to become debris
• Fine material in the air
• Fine powdery material
• Debris, dust
• Debris, rubble
• Powdery dirt in dry areas
• Remains of something destroyed, at sea perhaps
• More 22 Across, gravel made by erosion
• Any kind of debris
• Remote bits for chimney-sweepers to come to
• Do you sound old-fashioned or does it sound as if it comes on spec, perhaps? (4)