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dustproof

adjective
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variants: or dust-tight \ ˈ⸗¦⸗ \

Definition of dustproof

: impervious to dust : so tight as to exclude dust

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“Dustproof.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/dustproof. Accessed 19 January 2020.

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