Definition of sandblast verb from the Oxford Advanced American Dictionary

 

sandblast

 verb
verb
NAmE//ˈsændblæst//
 
[often passive]sandblast somethingVerb Forms present simple I / you / we / they sandblast
 
he / she / it sandblasts
 
past simple sandblasted
 
-ing form sandblasting
 
 
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to clean, polish, decorate, etc. a surface by firing sand at it from a special machine The building would have to be sandblasted to remove the black soot.
See the Oxford Advanced Learner's Dictionary entry: sandblast