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English definition of “dust”

dust

noun [U] uk   /dʌst/ us  
B1 dry dirt in the form of powder that covers surfaces inside a building, or very small dry pieces of soil, sand, or other substances: The furniture was covered in dust and cobwebs. A cloud of dust rose in the air as the car roared past. coal dustDirt and untidiness

dust

verb uk   /dʌst/ us  

dust verb (CLEAN)

[I or T] to use a cloth to remove dust from the surface of something: I was dusting the mantelpiece when I noticed a crack.Cleaning and tidying places and things

dust verb (COVER)

[T] to cover something with a light powder: Dust the top of the cake with icing sugar.Covering and adding layers
Phrasal verbs
(Definition of dust from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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