dustnounfeminine/puˈej.ɾɐ/mediumpo·ei·raPortuguesEnglishEspanolFrancaisDefinitionVery small particles of matter, usually of organic or mineral origin, suspended in the air.The dust accumulated on the furniture.He sneezed because of the dust.synpowderparticlesEtymologyDo latim 'pulvis'Related wordspoeirentopoeira finapoeira grossa