dust-tight

English

Adjective

dust-tight (comparative more dust-tight, superlative most dust-tight)

  1. Impervious to dust, not allowing dust to penetrate.
    Synonym: dustproof
    • 1956 December, “New Electric Trains for Mersey Lines”, in Railway Magazine, page 852:
      The electro-pneumatic contactor equipment is arranged in four groups, each contained in a removable dust-tight steel box suspended from the underframe.

References

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