[ duhst-proof ]
/ ˈdʌstˌpruf /


impervious to or free of dust.

Origin of dustproof

First recorded in 1865–70; dust + -proof
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for dustproof

  • The bearings and cams of such a shaft are generally enclosed in oil and dustproof casing screwed to the top of the cylinders.

    The Gasoline Motor|Harold Whiting Slauson
  • After bridling, drop a little oil paint into the heel of the brush and set it away in a dustproof compartment for a few days.