Definition of house dust in English:

house dust

noun

  • 1Dust found in the home, especially considered as a source of infectious agents or allergens.

  • 2Household refuse, especially that consisting of ashes, dust, and other fine particles. Now historical.

Origin

Mid 19th century; earliest use found in Edinburgh Literary Journal. From house + dust.

Pronunciation

house dust

/ˈhaʊs ˌdʌst/