Cosmic dust is widely present in outer space, where gas and dust clouds are the primary precursors for planetary systems. The zodiacal light, as seen in a dark night sky, is produced by sunlight reflected …

The meaning of DUST is fine particles of matter (as of earth). How to use dust in a sentence.

Jun 23, 2025 · Dust is made up of various indoor and outdoor particles, like dead skin cells, dust mites, soil, and pet dander. Poorly maintained HVAC systems and high humidity can lead to higher levels of …

Dust, in general, is any microscopic, powderlike particle or collection of powderlike particles that is made up of sand, soil, fragments of organic tissue, or other materials and is both light enough to be carried …

Jul 18, 2025 · Although it seems like a minor annoyance, dust plays a major role in the environment, health, and even weather. Understanding dust can help us improve indoor air quality, reduce …

DUST definition: 1. dry dirt in the form of powder that covers surfaces inside a building, or very small dry pieces…. Learn more.

Oct 19, 2023 · Dust is a collection of microscopic particles of material. Dust is heavy enough to see and light enough to be carried by the wind. Dust can be made up of pollen, bacteria, smoke, ash, salt …

Dust is the very small pieces of dirt which you find inside buildings, for example, on furniture, floors, or lights. I could see a thick layer of dust on the stairs.

Far behind, as in a race or competition: a marketing strategy that left our competitors in the dust.

Aug 24, 2025 · Dust consists of tiny solid particles that accumulate on surfaces and suspend in the air. This pervasive substance is often noticed as a fine layer on furniture or as visible specks dancing in …