English

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Etymology

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From dust +‎ -free.

Adjective

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dust-free (not comparable)

  1. Alternative form of dustfree
    • 1962 October, M. J. Wilson, “Three years of dieselisation at Devons Road depot”, in Modern Railways, page 264:
      Injector testing under pressure has never presented any difficulty. It is carried out in a small, dust-free cubicle fitted with an extractor fan and the meter calibration is checked annually.

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